From ff1178bba0205bbefc5f2b96d9ea07e833561cdf Mon Sep 17 00:00:00 2001 From: wangxiao1021 Date: Fri, 3 Jan 2020 13:07:33 +0800 Subject: [PATCH] add sequence labeling --- README.md | 209 ++++++- demo/demo4/config.yaml | 20 + demo/demo4/data/atis_slot/label_map.json | 1 + demo/demo4/data/atis_slot/test.tsv | 107 ++++ demo/demo4/data/atis_slot/train.tsv | 729 +++++++++++++++++++++++ demo/demo4/run.py | 11 + demo/demo4/run.sh | 3 + demo/demo4/tasks/atis_slot.yaml | 7 + paddlepalm/reader/ner.py | 99 +++ paddlepalm/reader/utils/reader4ernie.py | 17 +- paddlepalm/task_paradigm/ner.py | 139 +++++ 11 files changed, 1312 insertions(+), 30 deletions(-) create mode 100644 demo/demo4/config.yaml create mode 100644 demo/demo4/data/atis_slot/label_map.json create mode 100644 demo/demo4/data/atis_slot/test.tsv create mode 100644 demo/demo4/data/atis_slot/train.tsv create mode 100644 demo/demo4/run.py create mode 100755 demo/demo4/run.sh create mode 100644 demo/demo4/tasks/atis_slot.yaml create mode 100644 paddlepalm/reader/ner.py create mode 100644 paddlepalm/task_paradigm/ner.py diff --git a/README.md b/README.md index a1ceb72..80b4c12 100644 --- a/README.md +++ b/README.md @@ -11,10 +11,11 @@ PALM (PArallel Learning from Multi-tasks) 是一个强大通用、预置丰富 - [理论准备](#理论准备) - [框架原理](#框架原理) - [预训练模型](#预训练模型) -- [三个DEMO入门PALM](#三个demo入门paddlepalm) +- [四个DEMO入门PALM](#三个demo入门paddlepalm) - [DEMO1：单任务训练](#demo1单任务训练) - [DEMO2：多任务辅助训练与目标任务预测](#demo2多任务辅助训练与目标任务预测) - [DEMO3：多目标任务联合训练与任务层参数复用](#demo3多目标任务联合训练与任务层参数复用) + - [DEMO4：序列标注](#demo4序列标注) - [进阶篇](#进阶篇) - [配置广播机制](#配置广播机制) - [reader、backbone与paradigm的选择](#readerbackbone与paradigm的选择) @@ -78,12 +79,14 @@ cd PALM && python setup.py install │ ├── cls.py # 文本分类数据集工具 │ ├── match.py # 文本匹配数据集工具 │ ├── mrc.py # 机器阅读理解数据集工具 -│ └── mlm.py # 掩码语言模型（mask language model）数据集生成与处理工具 +│ ├── mlm.py # 掩码语言模型（mask language model）数据集生成与处理工具 +│ └── ner.py # 序列标注数据集工具 └── paradigm # 任务范式 ├── cls.py # 文本分类 ├── match.py # 文本匹配 ├── mrc.py # 机器阅读理解 - └── mlm.py # 掩码语言模型（mask language model） + ├── mlm.py # 掩码语言模型（mask language model） + └── ner.py # 序列标注 ``` @@ -146,7 +149,7 @@ python download_models.py -d bert-en-uncased-large -## 三个DEMO入门PaddlePALM +## 四个DEMO入门PaddlePALM ### DEMO1：单任务训练 @@ -470,6 +473,117 @@ cls3: inference model saved at output_model/thirdrun/infer_model 对本DEMO更深入的理解可以参考[多目标任务下的训练终止条件与预期训练步数](#多目标任务下的训练终止条件与预期训练步数)。 +### DEMO4：序列标注 + +> 本demo路径位于`demo/demo4` + +除以上三个demo涉及到的任务，框架新增支持序列标注任务。本demo实例为基于微软提供的公开数据集(Airline Travel Information System)，实现槽位识别任务的训练及预测。 + +用户进入本demo目录后，可通过运行如下脚本一键开始本节任务的训练： + +```shell +bash run.sh +``` + +下面以该任务为例，讲解如何基于paddlepalm框架轻松实现序列标注任务。 + +**1. 配置任务实例** + +首先，我们编写`tasks`文件夹下的该任务实例的配置文件`atis_alot.yaml`，若该任务实例参与训练或预测，则框架将自动解析该配置文件并创建相应的任务实例。配置文件需符合yaml格式的要求。一个任务实例的配置在配置文件中，设置用于训练的文件路径`train_file`，保存label->index的map文件地址`label_map_config`，数据集载入与处理工具`reader`和任务范式`paradigm`，类别总数`n_classes`： + +```yaml +train_file: "data/atis_slot/train.tsv" +label_map_config: "data/atis_slot/label_map.json" +reader: ner +paradigm: ner +n_classes: 130 +use_crf: true + +``` +这里，如需在序列标注任务中使用线性链条件随机场，需设置`use_crf`参数（默认为`false`）。在本demo中，设置为`true`。 + + +配置reader的预处理规则： + +```yaml +max_seq_len: 128 +do_lower_case: False +vocab_path: "../../pretrain/ernie-en-uncased-large/vocab.txt" +``` + +**2.配置backbone和训练规则** + +编写全局配置文件`config.yaml`，配置需要学习的任务`task_instance`、模型的保存路径`save_path`、基于的主干网络`backbone`、优化器`optimizer`等： + +```yaml +task_instance: "atis_slot" +save_path: "output_model/run" + +backbone: "ernie" +backbone_config_path: "../../pretrain/ernie-en-uncased-large/ernie_config.json" + +batch_size: 32 +pred_batch_size: 32 +num_epochs: 2 +optimizer: "adam" +learning_rate: 2e-5 +warmup_proportion: 0.1 +weight_decay: 0.01 +print_every_n_steps: 10 +lr_scheduler: "linear_warmup_decay" + +``` + + +**3.开始训练** + +如同前三个demo，创建Controller，实例化任务、载入预训练模型并启动atis_slot任务训练： + +```python +# Demo 4: single task training of ATIS_SLOT +import paddlepalm as palm + +if __name__ == '__main__': + controller = palm.Controller('config.yaml') + controller.load_pretrain('../../pretrain/bert-en-uncased-large/params') + controller.train() +``` + +训练日志如下，可以看到loss值随着训练收敛。在训练结束后，`Controller`自动为atis_slot任务保存预测模型。 + +``` +Global step: 10. Task: atis_slot, step 10/154 (epoch 0), loss: 59.974, speed: 0.64 steps/s +Global step: 20. Task: atis_slot, step 20/154 (epoch 0), loss: 33.286, speed: 0.77 steps/s +Global step: 30. Task: atis_slot, step 30/154 (epoch 0), loss: 19.285, speed: 0.68 steps/s +... +Global step: 280. Task: atis_slot, step 126/154 (epoch 1), loss: 2.350, speed: 0.56 steps/s +Global step: 290. Task: atis_slot, step 136/154 (epoch 1), loss: 1.436, speed: 0.58 steps/s +Global step: 300. Task: atis_slot, step 146/154 (epoch 1), loss: 2.353, speed: 0.58 steps/s +atis_slot: train finished! +atis_slot: inference model saved at output_model/run/atis_slot/infer_model +``` + + +**4.预测** + +在得到目标任务的预测模型（inference_model）后，完成对该目标任务的预测，`run.py`的预测部分代码如下： + +```python + controller = palm.Controller(config='config.yaml', task_dir='tasks', for_train=False) + controller.pred('atis_slot', inference_model_dir='output_model/fourthrun/atis_slot/infer_model') +``` + +我们可以在`output_models/fourthrun/atis_slot/`文件夹下的`predictions.json`文件中看到类似如下的预测结果： + +``` + [129, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 5, 19, 1, 1, 1, 1, 1, 21, 21, 68, 129] + [129, 1, 39, 37, 1, 1, 1, 1, 1, 2, 1, 5, 19, 1, 23, 3, 4, 129, 129, 129, 129, 129] + [129, 1, 39, 37, 1, 1, 1, 1, 1, 1, 2, 1, 5, 19, 129, 129, 129, 129, 129, 129, 129, 129] + ... +``` + +如上所示，每一行是测试集中的每一条text对应的标注结果，其中`129`为padding。 + ## 进阶篇 本章节更深入的对paddlepalm的使用方法展开介绍，并提供一些提高使用效率的小技巧。 @@ -777,6 +891,40 @@ mask_pos: 一个shape为[None]的向量，长度与`mask_pos`一致且元素一 task_ids: 一个shape为[batch_size, seq_len]的全0矩阵，用于支持ERNIE模型的输入。 ``` +#### 序列标注数据集reader工具：ner + +该reader完成文本分类数据集的载入与处理，reader接受[tsv格式](https://en.wikipedia.org/wiki/Tab-separated_values)的数据集输入，数据集应该包含两列，一列为原始文本`text_a`，一列为样本标签`label`，文本中词与词之间及标签中的tag之间均用`^B`分隔。数据集范例可参考`data/atis_slot`中的数据集文件，格式形如 + +``` +text_a label +i[^B]want[^B]to[^B]fly[^B]from[^B]boston[^B]at[^B]838[^B]am[^B]and[^B]arrive[^B]in[^B]denver[^B]at[^B]1110[^B]in[^B]the[^B]morning O[^B]O[^B]O[^B]O[^B]O[^B]B-fromloc.city_name[^B]O[^B]B-depart_time.time[^B]I-depart_time.time[^B]O[^B]O[^B]O[^B]B-toloc.city_name[^B]O[^B]B-arrive_time.time[^B]O[^B]O[^B]B-arrive_time.period_of_day +what[^B]flights[^B]are[^B]available[^B]from[^B]pittsburgh[^B]to[^B]baltimore[^B]on[^B]thursday[^B]morning O[^B]O[^B]O[^B]O[^B]O[^B]B-fromloc.city_name[^B]O[^B]B-toloc.city_name[^B]O[^B]B-depart_date.day_name[^B]B-depart_time.period_of_day +what[^B]is[^B]the[^B]arrival[^B]time[^B]in[^B]san[^B]francisco[^B]for[^B]the[^B]755[^B]am[^B]flight[^B]leaving[^B]washington O[^B]O[^B]O[^B]B-flight_time[^B]I-flight_time[^B]O[^B]B-fromloc.city_name[^B]I-fromloc.city_name[^B]O[^B]O[^B]B-depart_time.time[^B]I-depart_time.time[^B]O[^B]O[^B]B-fromloc.city_name +``` +***注意：数据集的第一列必须为header，即标注每一列的列名*** + +该reader额外包含以下配置字段 + +```yaml +label_map_config : str类型。保存label->index的map文件地址。 +n_classes（REQUIRED）: int类型。分类任务的类别数。 +``` + +reader的输出（生成器每次yield出的数据）包含以下字段 + +```yaml +token_ids: 一个shape为[batch_size, seq_len]的矩阵，每行是一条样本，其中的每个元素为文本中的每个token对应的单词id。 +position_ids: 一个shape为[batch_size, seq_len]的矩阵，每行是一条样本，其中的每个元素为文本中的每个token对应的位置id。 +segment_ids: 一个shape为[batch_size, seq_len]的全0矩阵，用于支持BERT、ERNIE等模型的输入。 +input_mask: 一个shape为[batch_size, seq_len]的矩阵，其中的每个元素为0或1，表示该位置是否是padding词（为1时代表是真实词，为0时代表是填充词）。 +label_ids: 一个shape为[batch_size]的矩阵，其中的每个元素为该样本的类别标签。 +task_ids: 一个shape为[batch_size, seq_len]的全0矩阵，用于支持ERNIE模型的输入。 +seq_lens: 一个shape为[batch_size]的矩阵，对应每一行样本的序列长度。 +``` + +当处于预测阶段时，reader所yield出的数据不会包含`label_ids`字段。 + + ## 附录B：内置主干网络（backbone） 框架中内置了BERT和ERNIE作为主干网络，未来框架会引入更多的骨干网络如XLNet等。 @@ -797,9 +945,9 @@ input_mask: 一个shape为[batch_size, seq_len]的矩阵，其中的每个元素 ```yaml word_embedding: 一个shape为[batch_size, seq_len, emb_size]的张量（Tensor），float32类型。表示当前batch中各个样本的（上下文无关）词向量序列。 embedding_table: 一个shape为[vocab_size, emb_size]的矩阵，float32类型。表示BERT当前维护的词向量查找表矩阵。 -encoder_outputs: 一个shape为[batch_size, seq_len, hidden_size]的Tensor, float32类型。表示BERT encoder对当前batch中各个样本的encoding结果。 -sentence_embedding: 一个shape为[batch_size, hidden_size]的matrix, float32类型。每一行代表BERT encoder对当前batch中相应样本的句子向量（sentence embedding） -sentence_pair_embedding: 一个shape为[batch_size, hidden_size]的matrix, float32类型。每一行代表BERT encoder对当前batch中相应样本的句子向量（sentence embedding） +encoder_outputs: 一个shape为[batch_size, seq_len, hidden_size]的Tensor, float32类型。表示backbone模型的encoder对当前batch中各个样本的encoding结果。 +sentence_embedding: 一个shape为[batch_size, hidden_size]的matrix, float32类型。每一行代表backbone模型的encoder对当前batch中相应样本的句子向量（sentence embedding） +sentence_pair_embedding: 一个shape为[batch_size, hidden_size]的matrix, float32类型。每一行代表backbone模型的encoder对当前batch中相应样本的句子向量（sentence embedding） ``` #### ERNIE @@ -820,9 +968,9 @@ task_ids: 一个shape为[batch_size, seq_len]的全0矩阵，用于支持ERNIE f ```yaml word_embedding: 一个shape为[batch_size, seq_len, emb_size]的张量（Tensor），float32类型。表示当前batch中各个样本的（上下文无关）词向量序列。 embedding_table: 一个shape为[vocab_size, emb_size]的矩阵，float32类型。表示BERT当前维护的词向量查找表矩阵。 -encoder_outputs: 一个shape为[batch_size, seq_len, hidden_size]的Tensor, float32类型。表示BERT encoder对当前batch中各个样本的encoding结果。 -sentence_embedding: 一个shape为[batch_size, hidden_size]的matrix, float32类型。每一行代表BERT encoder对当前batch中相应样本的句子向量（sentence embedding） -sentence_pair_embedding: 一个shape为[batch_size, hidden_size]的matrix, float32类型。每一行代表BERT encoder对当前batch中相应样本的句子向量（sentence embedding） +encoder_outputs: 一个shape为[batch_size, seq_len, hidden_size]的Tensor, float32类型。表示backbone模型的encoder对当前batch中各个样本的encoding结果。 +sentence_embedding: 一个shape为[batch_size, hidden_size]的matrix, float32类型。每一行代表backbone模型的encoder对当前batch中相应样本的句子向量（sentence embedding） +sentence_pair_embedding: 一个shape为[batch_size, hidden_size]的matrix, float32类型。每一行代表backbone模型的encoder对当前batch中相应样本的句子向量（sentence embedding） ``` @@ -843,13 +991,13 @@ save_infermodel_every_n_steps (OPTIONAL) : int类型。周期性保存预测模 训练阶段： ```yaml -sentence_embedding: 一个shape为[batch_size, hidden_size]的matrix, float32类型。每一行代表BERT encoder对当前batch中相应样本的句子向量（sentence embedding） +sentence_embedding: 一个shape为[batch_size, hidden_size]的matrix, float32类型。每一行代表backbone模型的encoder对当前batch中相应样本的句子向量（sentence embedding） label_ids: 一个shape为[batch_size]的矩阵，其中的每个元素为该样本的类别标签。 ``` 预测阶段： ```yaml -sentence_embedding: 一个shape为[batch_size, hidden_size]的matrix, float32类型。每一行代表BERT encoder对当前batch中相应样本的句子向量（sentence embedding） +sentence_embedding: 一个shape为[batch_size, hidden_size]的matrix, float32类型。每一行代表backbone模型的encoder对当前batch中相应样本的句子向量（sentence embedding） ``` 在训练阶段，输出loss；预测阶段输出各个类别的预测概率。 @@ -868,13 +1016,13 @@ save_infermodel_every_n_steps (OPTIONAL) : int类型。周期性保存预测模 训练阶段： ```yaml -sentence_pair_embedding: 一个shape为[batch_size, hidden_size]的matrix, float32类型。每一行代表BERT encoder对当前batch中相应样本的句子向量（sentence embedding） +sentence_pair_embedding: 一个shape为[batch_size, hidden_size]的matrix, float32类型。每一行代表backbone模型的encoder对当前batch中相应样本的句子向量（sentence embedding） label_ids: 一个shape为[batch_size]的矩阵，其中的每个元素为该样本的类别标签，为0时表示两段文本不匹配，为1时代表构成匹配 ``` 预测阶段： ```yaml -sentence_pair_embedding: 一个shape为[batch_size, hidden_size]的matrix, float32类型。每一行代表BERT encoder对当前batch中相应样本的句子向量（sentence embedding） +sentence_pair_embedding: 一个shape为[batch_size, hidden_size]的matrix, float32类型。每一行代表backbone模型的encoder对当前batch中相应样本的句子向量（sentence embedding） ``` 在训练阶段，输出loss；预测阶段输出匹配与否的概率分布。 @@ -895,14 +1043,14 @@ save_infermodel_every_n_steps (OPTIONAL) : int类型。周期性保存预测模 训练阶段： ```yaml -encoder_outputs: 一个shape为[batch_size, seq_len, hidden_size]的Tensor, float32类型。表示BERT encoder对当前batch中各个样本的encoding结果。 +encoder_outputs: 一个shape为[batch_size, seq_len, hidden_size]的Tensor, float32类型。表示backbone模型的encoder对当前batch中各个样本的encoding结果。 start_positions: 一个shape为[batch_size]的向量，每个元素代表当前样本的答案片段的起始位置。 end_positions: 一个shape为[batch_size]的向量，每个元素代表当前样本的答案片段的结束位置。 ``` 预测阶段： ```yaml -encoder_outputs: 一个shape为[batch_size, seq_len, hidden_size]的Tensor, float32类型。表示BERT encoder对当前batch中各个样本的encoding结果。 +encoder_outputs: 一个shape为[batch_size, seq_len, hidden_size]的Tensor, float32类型。表示backbone模型的encoder对当前batch中各个样本的encoding结果。 unique_ids: 一个shape为[batch_size, seq_len]的矩阵，代表每个样本的全局唯一的id，用于预测后对滑动窗口的结果进行合并。 ``` @@ -915,9 +1063,36 @@ unique_ids: 一个shape为[batch_size, seq_len]的矩阵，代表每个样本的 mask_label: 一个shape为[None]的向量，其中的每个元素为被mask掉的单词的真实单词id。 mask_pos": 一个shape为[None]的向量，长度与`mask_pos`一致且元素一一对应。每个元素表示被mask掉的单词的位置。 embedding_table: 一个shape为[vocab_size, emb_size]的矩阵，float32类型。表示BERT当前维护的词向量查找表矩阵。 -encoder_outputs: 一个shape为[batch_size, seq_len, hidden_size]的Tensor, float32类型。表示BERT encoder对当前batch中各个样本的encoding结果。 +encoder_outputs: 一个shape为[batch_size, seq_len, hidden_size]的Tensor, float32类型。表示backbone模型的encoder对当前batch中各个样本的encoding结果。 +``` + + +#### 序列标注范式：ner + +序列标注范式额外包含以下配置字段： + +```yaml +n_classes（REQUIRED）: int类型。序列标注任务的类别数。 +pred_output_path (OPTIONAL) : str类型。预测输出结果的保存路径，当该参数未空时，保存至全局配置文件中的`save_path`字段指定路径下的任务目录。 +save_infermodel_every_n_steps (OPTIONAL) : int类型。周期性保存预测模型的间隔，未设置或设为-1时仅在该任务训练结束时保存预测模型。默认为-1。 +``` + +序列标注范式包含如下的输入对象： + +训练阶段： +```yaml +encoder_outputs: 一个shape为[batch_size, seq_len, hidden_size]的Tensor, float32类型。表示backbone模型的encoder对当前batch中各个样本的encoding结果。 +label_ids: 一个shape为[batch_size, seq_lens]的矩阵，其中的每个元素为该样本的类别标签。 ``` +预测阶段： +```yaml +encoder_outputs: 一个shape为[batch_size, seq_len, hidden_size]的Tensor, float32类型。表示backbone模型的encoder对当前batch中各个样本的encoding结果。 +``` + +在训练阶段，输出loss；预测阶段输出每一行文本对应的标注。 + + ## 附录D：可配置的全局参数列表 ```yaml diff --git a/demo/demo4/config.yaml b/demo/demo4/config.yaml new file mode 100644 index 0000000..0bb53fe --- /dev/null +++ b/demo/demo4/config.yaml @@ -0,0 +1,20 @@ +task_instance: "atis_slot" + +save_path: "output_model/fourthrun" + +backbone: "ernie" +backbone_config_path: "../../pretrain/ernie-en-uncased-large/ernie_config.json" + +vocab_path: "../../pretrain/ernie-en-uncased-large/vocab.txt" +do_lower_case: False +max_seq_len: 128 + +batch_size: 32 +pred_batch_size: 32 +num_epochs: 2 +optimizer: "adam" +learning_rate: 2e-5 +warmup_proportion: 0.1 +weight_decay: 0.01 +print_every_n_steps: 10 +lr_scheduler: "linear_warmup_decay" diff --git a/demo/demo4/data/atis_slot/label_map.json b/demo/demo4/data/atis_slot/label_map.json new file mode 100644 index 0000000..9d60569 --- /dev/null +++ b/demo/demo4/data/atis_slot/label_map.json @@ -0,0 +1 @@ +{"B-time_relative": 109, "B-stoploc.state_code": 101, "B-depart_date.today_relative": 18, "B-arrive_date.date_relative": 78, "PAD": 0, "B-depart_date.date_relative": 26, "I-restriction_code": 87, "B-return_date.month_name": 50, "I-time": 110, "B-depart_date.day_name": 8, "I-arrive_time.end_time": 75, "B-fromloc.airport_code": 57, "B-cost_relative": 13, "B-connect": 84, "B-return_time.period_mod": 114, "B-arrive_time.period_mod": 65, "B-flight_number": 64, "B-depart_time.time_relative": 23, "I-toloc.city_name": 19, "B-arrive_time.period_of_day": 7, "B-depart_time.period_of_day": 9, "I-return_date.date_relative": 119, "I-depart_time.start_time": 31, "B-fare_amount": 16, "I-depart_time.time_relative": 96, "B-city_name": 20, "B-depart_date.day_number": 37, "I-arrive_time.period_of_day": 95, "I-depart_date.today_relative": 115, "I-airport_name": 90, "I-arrive_date.day_number": 61, "B-toloc.state_code": 48, "B-arrive_date.month_name": 45, "B-stoploc.airport_code": 126, "I-depart_time.time": 4, "B-airport_code": 81, "B-arrive_time.start_time": 73, "B-period_of_day": 98, "B-arrive_time.time": 6, "I-flight_stop": 72, "B-toloc.state_name": 36, "B-booking_class": 128, "I-meal_code": 103, "B-arrive_time.end_time": 74, "B-meal": 47, "B-arrive_time.time_relative": 29, "B-return_date.day_number": 51, "I-city_name": 56, "B-day_name": 97, "B-or": 60, "I-depart_date.day_name": 99, "I-arrive_time.time": 54, "B-economy": 62, "B-return_date.day_name": 123, "B-fromloc.airport_name": 34, "O": 1, "B-class_type": 24, "B-meal_code": 102, "B-depart_time.time": 3, "B-return_date.today_relative": 121, "I-depart_date.day_number": 38, "B-restriction_code": 86, "B-fare_basis_code": 41, "I-stoploc.city_name": 68, "I-fare_basis_code": 93, "B-flight": 129, "B-airline_name": 27, "B-compartment": 125, "B-airline_code": 52, "B-fromloc.state_name": 76, "B-flight_stop": 55, "B-day_number": 118, "B-flight_mod": 43, "I-meal_description": 120, "B-depart_time.start_time": 30, "B-today_relative": 100, "I-arrive_time.time_relative": 94, "B-arrive_date.day_number": 46, "I-flight_time": 11, "B-arrive_date.day_name": 58, "I-fromloc.state_name": 77, "B-mod": 40, "B-depart_date.month_name": 39, "B-flight_days": 67, "I-mod": 116, "I-cost_relative": 44, "B-stoploc.airport_name": 107, "B-flight_time": 10, "I-today_relative": 104, "B-fromloc.city_name": 2, "B-transport_type": 42, "B-return_time.period_of_day": 111, "B-time": 59, "B-toloc.country_name": 91, "B-return_date.date_relative": 80, "B-round_trip": 14, "I-transport_type": 66, "I-fromloc.city_name": 12, "B-depart_date.year": 79, "I-return_date.day_number": 112, "I-flight_mod": 105, "B-toloc.city_name": 5, "B-depart_time.period_mod": 53, "I-arrive_time.start_time": 85, "B-state_code": 71, "B-airport_name": 89, "B-stoploc.city_name": 21, "I-toloc.airport_name": 70, "B-meal_description": 49, "I-class_type": 25, "B-toloc.airport_code": 22, "I-depart_time.period_of_day": 113, "I-toloc.state_name": 88, "B-days_code": 92, "B-toloc.airport_name": 69, "B-arrive_date.today_relative": 108, "I-round_trip": 15, "I-state_name": 127, "I-fare_amount": 17, "I-fromloc.airport_name": 35, "I-flight_number": 124, "I-airline_name": 28, "B-state_name": 106, "I-economy": 63, "B-depart_time.end_time": 32, "B-aircraft_code": 82, "I-return_date.today_relative": 122, "B-month_name": 117, "B-fromloc.state_code": 83, "I-depart_time.end_time": 33} diff --git a/demo/demo4/data/atis_slot/test.tsv b/demo/demo4/data/atis_slot/test.tsv new file mode 100644 index 0000000..5d30137 --- /dev/null +++ b/demo/demo4/data/atis_slot/test.tsv @@ -0,0 +1,107 @@ +text_a label +iwouldliketofindaflightfromcharlottetolasvegasthatmakesastopinst.louis OOOOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOOOOB-stoploc.city_nameI-stoploc.city_name +onaprilfirstineedaticketfromtacomatosanjosedepartingbefore7am OB-depart_date.month_nameB-depart_date.day_numberOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_time.time_relativeB-depart_time.timeI-depart_time.time +onaprilfirstineedaflightgoingfromphoenixtosandiego OB-depart_date.month_nameB-depart_date.day_numberOOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +iwouldlikeaflighttravelingonewayfromphoenixtosandiegoonaprilfirst OOOOOOB-round_tripI-round_tripOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +iwouldlikeaflightfromorlandotosaltlakecityforaprilfirstondeltaairlines OOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameI-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_numberOB-airline_nameI-airline_name +ineedaflightfromtorontotonewarkonewayleavingwednesdayeveningorthursdaymorning OOOOOB-fromloc.city_nameOB-toloc.city_nameB-round_tripI-round_tripOB-depart_date.day_nameB-depart_time.period_of_dayOB-depart_date.day_nameB-depart_time.period_of_day +mondaymorningiwouldliketoflyfromcolumbustoindianapolis B-depart_date.day_nameB-depart_time.period_of_dayOOOOOOB-fromloc.city_nameOB-toloc.city_name +onwednesdayaprilsixthiwouldliketoflyfromlongbeachtocolumbusafter3pm OB-depart_date.day_nameB-depart_date.month_nameB-depart_date.day_numberOOOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameB-depart_time.time_relativeB-depart_time.timeI-depart_time.time +after12pmonwednesdayaprilsixthiwouldliketoflyfromlongbeachtocolumbus B-depart_time.time_relativeB-depart_time.timeI-depart_time.timeOB-depart_date.day_nameB-depart_date.month_nameB-depart_date.day_numberOOOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +arethereanyflightsfromlongbeachtocolumbusonwednesdayaprilsixth OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameB-depart_date.month_nameB-depart_date.day_number +findaflightfrommemphistotacomadinner OOOOB-fromloc.city_nameOB-toloc.city_nameB-meal_description +onnextwednesdayflightfromkansascitytochicagoshouldarriveinchicagoaround7pmreturnflightonthursday OB-depart_date.date_relativeB-depart_date.day_nameOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOOOB-toloc.city_nameB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.timeOOOB-return_date.day_name +showflightandpriceskansascitytochicagoonnextwednesdayarrivinginchicagoby7pm OOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOB-depart_date.date_relativeB-depart_date.day_nameOOB-toloc.city_nameB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.time +flightonamericanfrommiamitochicagoarriveinchicagoabout5pm OOB-airline_nameOB-fromloc.city_nameOB-toloc.city_nameOOB-toloc.city_nameB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.time +findflightsarrivingnewyorkcitynextsaturday OOOB-toloc.city_nameI-toloc.city_nameI-toloc.city_nameB-arrive_date.date_relativeB-arrive_date.day_name +findnonstopflightsfromsaltlakecitytonewyorkonsaturdayaprilninth OB-flight_stopOOB-fromloc.city_nameI-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_date.day_nameB-depart_date.month_nameB-depart_date.day_number +showflightsfromburbanktomilwaukeefortoday OOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.today_relative +showflightstomorroweveningfrommilwaukeetost.louis OOB-depart_date.today_relativeB-depart_time.period_of_dayOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +showflightssaturdayeveningfromst.louistoburbank OOB-depart_date.day_nameB-depart_time.period_of_dayOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +showflightsfromburbanktost.louisonmonday OOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_date.day_name +showflightsfromburbanktomilwaukeeonmonday OOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_name +showflightstuesdayeveningfrommilwaukeetost.louis OOB-depart_date.day_nameB-depart_time.period_of_dayOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +showflightswednesdayeveningfromst.louistoburbank OOB-depart_date.day_nameB-depart_time.period_of_dayOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +whichflightstravelfromkansascitytolosangeles OOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatflightstravelfromlasvegastolosangeles OOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whichflightstravelfromkansascitytolosangelesonaprilninth OOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +whichflightstravelfromlasvegastolosangelescaliforniaandarriveonaprilninthbetween4and5pm OOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameB-toloc.state_nameOOOB-arrive_date.month_nameB-arrive_date.day_numberOB-arrive_time.start_timeOB-arrive_time.end_timeI-arrive_time.end_time +whichflightsonusairgofromorlandotocleveland OOOB-airline_nameI-airline_nameOOB-fromloc.city_nameOB-toloc.city_name +whichflightstravelfromclevelandtoindianapolisonaprilfifth OOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +whichflightstravelfromindianapolistosandiegoonaprilfifth OOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +whichflightsgofromclevelandtoindianapolisonaprilfifth OOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +whichflightstravelfromnashvilletotacoma OOOOB-fromloc.city_nameOB-toloc.city_name +doestacomaairportoffertransportationfromtheairporttothedowntownarea OB-airport_nameI-airport_nameOOOOOOOOO +whichflightstravelfromtacomatosanjose OOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatdayoftheweekdoflightsfromnashvilletotacomaflyon OOOOOOOOB-fromloc.city_nameOB-toloc.city_nameOO +whataretheflightsfromtacomatosanjose OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatdaysoftheweekdoflightsfromsanjosetonashvilleflyon OOOOOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOO +whataretheflightsfromtacomatosanjose OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +ineedaflightthatgoesfrombostontoorlando OOOOOOOB-fromloc.city_nameOB-toloc.city_name +arethereanyflightsfrombostontoorlandoconnectinginnewyork OOOOOB-fromloc.city_nameOB-toloc.city_nameB-connectOB-stoploc.city_nameI-stoploc.city_name +arethereanyflightsfrombostontoorlandoconnectingincolumbus OOOOOB-fromloc.city_nameOB-toloc.city_nameB-connectOB-stoploc.city_name +doesthisflightservedinner OOOOB-meal_description +ineedaflightfromcharlottetomiami OOOOOB-fromloc.city_nameOB-toloc.city_name +ineedanonstopflightfrommiamitotoronto OOOB-flight_stopOOB-fromloc.city_nameOB-toloc.city_name +ineedanonstopflightfromtorontotost.louis OOOB-flight_stopOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +ineedaflightfromtorontotost.louis OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +ineedaflightfromst.louistocharlotte OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +ineedaflightonunitedairlinesfromlaguardiatosanjose OOOOOB-airline_nameI-airline_nameOB-fromloc.airport_nameI-fromloc.airport_nameOB-toloc.city_nameI-toloc.city_name +ineedaflightfromtampatomilwaukee OOOOOB-fromloc.city_nameOB-toloc.city_name +ineedaflightfrommilwaukeetoseattle OOOOOB-fromloc.city_nameOB-toloc.city_name +whatmealsareservedonamericanflight811fromtampatomilwaukee OB-mealOOOB-airline_nameOB-flight_numberOB-fromloc.city_nameOB-toloc.city_name +whatmealsareservedonamericanflight665673frommilwaukeetoseattle OB-mealOOOB-airline_nameOB-flight_numberI-flight_numberOB-fromloc.city_nameOB-toloc.city_name +ineedaflightfrommemphistolasvegas OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +pleasefindflightsavailablefromkansascitytonewark OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +pleasefindaflightthatgoesfromkansascitytonewarktoorlandobacktokansascity OOOOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOB-toloc.city_nameOOB-toloc.city_nameI-toloc.city_name +pleasefindaflightfromkansascitytonewark OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +pleasefindaflightfromnewarktoorlando OOOOOB-fromloc.city_nameOB-toloc.city_name +pleasefindaflightfromorlandotokansascity OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +iwouldliketoflyfromcolumbustophoenixthroughcincinnatiintheafternoon OOOOOOB-fromloc.city_nameOB-toloc.city_nameOB-stoploc.city_nameOOB-depart_time.period_of_day +iwouldliketoknowwhatairportsareinlosangeles OOOOOOOOOB-city_nameI-city_name +doestheairportatburbankhaveaflightthatcomesinfromkansascity OOOOB-toloc.city_nameOOOOOOOB-fromloc.city_nameI-fromloc.city_name +whichflightsarriveinburbankfromkansascityonsaturdaysintheafternoon OOOOB-toloc.city_nameOB-fromloc.city_nameI-fromloc.city_nameOB-arrive_date.day_nameOOB-arrive_time.period_of_day +whichflightsarriveinburbankfromlasvegasonsaturdayapriltwentythirdintheafternoon OOOOB-toloc.city_nameOB-fromloc.city_nameI-fromloc.city_nameOB-depart_date.day_nameB-depart_date.month_nameB-depart_date.day_numberI-depart_date.day_numberOOB-depart_time.period_of_day +whichflightsareavailablefromorlandotoclevelandthatarrivearound10pm OOOOOB-fromloc.city_nameOB-toloc.city_nameOOB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.time +pleaselisttheflightsfromcharlottetonewark OOOOOB-fromloc.city_nameOB-toloc.city_name +pleaselisttheflightsfromnewarktolosangeles OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +pleaselisttheflightsfromcincinnatitoburbankonamericanairlines OOOOOB-fromloc.city_nameOB-toloc.city_nameOB-airline_nameI-airline_name +pleasegivemetheflightsfromkansascitytochicagoonjunesixteenth OOOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +pleasegivemetheflightsfromchicagotokansascityonjuneseventeenth OOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +pleaselistalltheflightsfromkansascitytochicagoonjunesixteenth OOOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +pleaselistalltheflightsfromchicagotokansascityonjuneseventeenth OOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +i'dliketotravelfromburbanktomilwaukee OOOOOOB-fromloc.city_nameOB-toloc.city_name +canyoufindmeaflightfromsaltlakecitytonewyorkcitynextsaturdaybeforearrivingbefore6pm OOOOOOOB-fromloc.city_nameI-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameI-toloc.city_nameB-depart_date.date_relativeB-depart_date.day_nameB-arrive_time.time_relativeOB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.time +canyoufindmeanotherflightfromcincinnatitonewyorkonsaturdaybefore6pm OOOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_date.day_nameB-depart_time.time_relativeB-depart_time.timeI-depart_time.time +canyoulistallofthedeltaflightsfromsaltlakecitytonewyorknextsaturdayarrivingbefore6pm OOOOOOB-airline_nameOOB-fromloc.city_nameI-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameB-depart_date.date_relativeB-depart_date.day_nameOB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.time +i'dliketoflyfrommiamitochicagoononamericanairlinesarrivingaround5pm OOOOOOB-fromloc.city_nameOB-toloc.city_nameOOB-airline_nameI-airline_nameOB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.time +i'dliketotravelfromkansascitytochicagonextwednesday OOOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameB-depart_date.date_relativeB-depart_date.day_name +i'dlikearoundtripflightfromkansascitytochicagoonwednesdaymaytwentysixtharrivingat7pm OOOOB-round_tripI-round_tripOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameB-depart_date.month_nameB-depart_date.day_numberI-depart_date.day_numberOOB-arrive_time.timeI-arrive_time.time +yesi'dliketofindaflightfrommemphistotacomastoppinginlosangeles OOOOOOOOOB-fromloc.city_nameOB-toloc.city_nameOOB-stoploc.city_nameI-stoploc.city_name +findflightfromsandiegotophoenixonmondayam OOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameB-depart_time.period_of_day +findflightfromphoenixtodetroitonmonday OOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_name +findflightfromdetroittosandiegoontuesday OOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_date.day_name +findflightfromcincinnatitosanjoseonmonday OOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_date.day_name +findflightfromsanjosetohoustononwednesday OOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_name +findflightfromhoustontomemphisonfriday OOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_name +findflightfrommemphistocincinnationsunday OOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_name +findamericanflightfromnewarktonashvillearound630pm OB-airline_nameOOB-fromloc.city_nameOB-toloc.city_nameB-depart_time.time_relativeB-depart_time.timeI-depart_time.time +pleasefindaflightroundtripfromlosangelestotacomawashingtonwithastopoverinsanfrancisconotexceedingthepriceof300dollarsforjunetenth1993 OOOOB-round_tripI-round_tripOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameB-toloc.state_nameOOOOB-stoploc.city_nameI-stoploc.city_nameB-cost_relativeI-cost_relativeOOOB-fare_amountI-fare_amountOB-depart_date.month_nameB-depart_date.day_numberB-depart_date.year +arethereanyflightsonjunetenthfromburbanktotacoma OOOOOB-depart_date.month_nameB-depart_date.day_numberOB-fromloc.city_nameOB-toloc.city_name +pleasefindaflightfromontariotowestchesterthatmakesastopinchicagoonmayseventeenthonewaywithdinner OOOOOB-fromloc.city_nameOB-toloc.city_nameOOOOOB-stoploc.city_nameOB-depart_date.month_nameB-depart_date.day_numberB-round_tripI-round_tripOB-meal_description +liketobookaflightfromburbanktomilwaukee OOOOOOB-fromloc.city_nameOB-toloc.city_name +showmealltheflightsfromburbanktomilwaukee OOOOOOB-fromloc.city_nameOB-toloc.city_name +findmealltheflightsfrommilwaukeetost.louis OOOOOOB-fromloc.city_nameOB-city_nameI-city_name +nowshowmealltheflightsfromst.louistoburbank OOOOOOOB-city_nameI-city_nameOB-toloc.city_name +isthereoneairlinethatfliesfromburbanktomilwaukeemilwaukeetost.louisandfromst.louistoburbank OOOOOOOB-fromloc.city_nameOB-toloc.city_nameB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +findmealltheroundtripflightsfromburbanktomilwaukeestoppinginst.louis OOOOB-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_nameOOB-stoploc.city_nameI-stoploc.city_name +i'dliketobooktwoflightstowestchestercounty OOOOOOOOB-toloc.city_nameI-toloc.city_name +iwanttobookaflightfromsaltlakecitytowestchestercounty OOOOOOOB-fromloc.city_nameI-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +tellmealltheairportsnearwestchestercounty OOOOOOB-city_nameI-city_name +i'dliketobookaflightfromcincinnatitonewyorkcityonunitedairlinesfornextsaturday OOOOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameI-toloc.city_nameOB-airline_nameI-airline_nameOB-depart_date.date_relativeB-depart_date.day_name +tellmealltheairportsinthenewyorkcityarea OOOOOOOB-city_nameI-city_nameI-city_nameO +pleasefindalltheflightsfromcincinnatitoanyairportinthenewyorkcityareathatarrivenextsaturdaybefore6pm OOOOOOB-fromloc.city_nameOOOOOB-toloc.city_nameI-toloc.city_nameI-toloc.city_nameOOOB-arrive_date.date_relativeB-arrive_date.day_nameB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.time +findmeaflightfromcincinnatitoanyairportinthenewyorkcityarea OOOOOB-fromloc.city_nameOOOOOB-toloc.city_nameI-toloc.city_nameI-toloc.city_nameO +i'dliketoflyfrommiamitochicagoonamericanairlines OOOOOOB-fromloc.city_nameOB-toloc.city_nameOB-airline_nameI-airline_name +iwouldliketobookaroundtripflightfromkansascitytochicago OOOOOOB-round_tripI-round_tripOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +findmeaflightthatfliesfrommemphistotacoma OOOOOOOB-fromloc.city_nameOB-toloc.city_name diff --git a/demo/demo4/data/atis_slot/train.tsv b/demo/demo4/data/atis_slot/train.tsv new file mode 100644 index 0000000..569af4d --- /dev/null +++ b/demo/demo4/data/atis_slot/train.tsv @@ -0,0 +1,729 @@ +text_a label +iwanttoflyfrombostonat838amandarriveindenverat1110inthemorning OOOOOB-fromloc.city_nameOB-depart_time.timeI-depart_time.timeOOOB-toloc.city_nameOB-arrive_time.timeOOB-arrive_time.period_of_day +whatflightsareavailablefrompittsburghtobaltimoreonthursdaymorning OOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameB-depart_time.period_of_day +whatisthearrivaltimeinsanfranciscoforthe755amflightleavingwashington OOOB-flight_timeI-flight_timeOB-fromloc.city_nameI-fromloc.city_nameOOB-depart_time.timeI-depart_time.timeOOB-fromloc.city_name +cheapestairfarefromtacomatoorlando B-cost_relativeOOB-fromloc.city_nameOB-toloc.city_name +roundtripfaresfrompittsburghtophiladelphiaunder1000dollars B-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_nameB-cost_relativeB-fare_amountI-fare_amount +ineedaflighttomorrowfromcolumbustominneapolis OOOOB-depart_date.today_relativeOB-fromloc.city_nameOB-toloc.city_name +whatkindofaircraftisusedonaflightfromclevelandtodallas OOOOOOOOOOB-fromloc.city_nameOB-toloc.city_name +showmetheflightsfrompittsburghtolosangelesonthursday OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_date.day_name +allflightsfrombostontowashington OOOB-fromloc.city_nameOB-toloc.city_name +whatkindofgroundtransportationisavailableindenver OOOOOOOOB-city_name +showmetheflightsfromdallastosanfrancisco OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +showmetheflightsfromsandiegotonewarkbywayofhouston OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOOOB-stoploc.city_name +what'stheairportatorlando OOOOOB-city_name +whatisthecheapestflightfrombostontobwi OOOB-cost_relativeOOB-fromloc.city_nameOB-toloc.airport_code +allflightstobaltimoreafter6pm OOOB-toloc.city_nameB-depart_time.time_relativeB-depart_time.timeI-depart_time.time +showmethefirstclassfaresfrombostontodenver OOOB-class_typeI-class_typeOOB-fromloc.city_nameOB-toloc.city_name +showmethegroundtransportationindenver OOOOOOB-city_name +allflightsfromdenvertopittsburghleavingafter6pmandbefore7pm OOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_time.time_relativeB-depart_time.timeI-depart_time.timeOB-depart_time.time_relativeB-depart_time.timeI-depart_time.time +ineedinformationonflightsfortuesdayleavingbaltimorefordallasdallastobostonandbostontobaltimore OOOOOOB-depart_date.day_nameOB-fromloc.city_nameOB-toloc.city_nameB-fromloc.city_nameOB-toloc.city_nameOB-fromloc.city_nameOB-toloc.city_name +pleasegivemetheflightsfrombostontopittsburghonthursdayofnextweek OOOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameOB-depart_date.date_relativeO +iwouldliketoflyfromdenvertopittsburghonunitedairlines OOOOOOB-fromloc.city_nameOB-toloc.city_nameOB-airline_nameI-airline_name +showmetheflightsfromsandiegotonewark OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +pleaselistallfirstclassflightsonunitedfromdenvertobaltimore OOOB-class_typeI-class_typeOOB-airline_nameOB-fromloc.city_nameOB-toloc.city_name +whatkindsofplanesareusedbyamericanairlines OOOOOOOB-airline_nameI-airline_name +i'dliketohavesomeinformationonaticketfromdenvertopittsburghandatlanta OOOOOOOOOOOB-fromloc.city_nameOB-toloc.city_nameOB-toloc.city_name +i'dliketobookaflightfromatlantatodenver OOOOOOOOB-fromloc.city_nameOB-toloc.city_name +whichairlineservesdenverpittsburghandatlanta OOOB-fromloc.city_nameB-fromloc.city_nameOB-fromloc.city_name +showmeallflightsfrombostontopittsburghonwednesdayofnextweekwhichleavebostonafter2o'clockpm OOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameOB-depart_date.date_relativeOOOB-fromloc.city_nameB-depart_time.time_relativeB-depart_time.timeI-depart_time.timeI-depart_time.time +atlantagroundtransportation B-city_nameOO +ialsoneedservicefromdallastobostonarrivingbynoon OOOOOB-fromloc.city_nameOB-toloc.city_nameOB-arrive_time.time_relativeB-arrive_time.time +showmethecheapestroundtripfarefrombaltimoretodallas OOOB-cost_relativeB-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_name +showmeallflightsfromnewyorktomilwaukeeonnorthwestairlinesdepartingat720am OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOB-airline_nameI-airline_nameOOB-depart_time.timeI-depart_time.time +flightsfromnewyorktomiami OOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +pleasefindaflightondeltafromphiladelphiatosanfranciscoandgivemetheflightnumbers OOOOOB-airline_nameOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOOOOO +ineedaflightfromdallastosanfrancisco OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +faresandflightsfrompittsburghtophiladelphia OOOOB-fromloc.city_nameOB-toloc.city_name +showmetheairlineswithfirstclassflights OOOOOB-class_typeI-class_typeO +whataretheflightsfromst.louistoburbanksundayevening OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameB-depart_date.day_nameB-depart_time.period_of_day +i'dliketoarrangeaflightfrompittsburghtoatlanta OOOOOOOOB-fromloc.city_nameOB-toloc.city_name +showflightsfrombaltimoretosanfranciscobetween6pmand8pmonfriday OOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_time.start_timeI-depart_time.start_timeOB-depart_time.end_timeI-depart_time.end_timeOB-depart_date.day_name +howfarisitfromorlandoairporttoorlando OOOOOB-fromloc.airport_nameI-fromloc.airport_nameOB-toloc.city_name +iwouldlikealistofroundtripflightsbetweenindianapolisandorlandofloridaforthetwentyseventhandthetwentyeighthofdecember OOOOOOB-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_nameB-toloc.state_nameOOB-depart_date.day_numberI-depart_date.day_numberOOB-depart_date.day_numberI-depart_date.day_numberOB-depart_date.month_name +whichairlinehasthemostarrivalsinatlanta OOOOB-modOOB-toloc.city_name +whatairlinesflyfromnewyorktomilwaukeetolosangeles OOOOB-fromloc.city_nameI-fromloc.city_nameOB-stoploc.city_nameOB-toloc.city_nameI-toloc.city_name +pittsburghtodenver B-fromloc.city_nameOB-toloc.city_name +whichairlinesserveatlanta OOOB-city_name +showmeinformationongroundtransportationfordallas OOOOOOOB-city_name +whatisfarecodeh OOOOB-fare_basis_code +showmeallflightsfrombostontodallasfortworthbothdirectandconnectingthatarrivebeforenoon OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameI-toloc.city_nameOOOOOOB-arrive_time.time_relativeB-arrive_time.time +ineedaflightfromcharlottetonewarkleavingtodayevening OOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.today_relativeB-depart_time.period_of_day +whatarethetimesthatyouhaveplanesleavingfromsanfranciscogoingtopittsburghonjulyseventh OOOB-flight_timeOOOOOOB-fromloc.city_nameI-fromloc.city_nameOOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +flightsfromnewarktocleveland OOB-fromloc.city_nameOB-toloc.city_name +whatflightsgofrombostontopittsburghafter6o'clocknexttuesday OOOOB-fromloc.city_nameOB-toloc.city_nameB-depart_time.time_relativeB-depart_time.timeI-depart_time.timeB-depart_date.date_relativeB-depart_date.day_name +howmuchdoesthelimousineservicecostwithinpittsburgh OOOOB-transport_typeOOOB-city_name +doesusairhaveanyflightsoutofatlantatodenver OB-airline_nameI-airline_nameOOOOOB-fromloc.city_nameOB-toloc.city_name +whatisbookingclassc OOOOB-fare_basis_code +i'dliketoknowtheshortesttripbetweenbostonandsanfrancisco OOOOOOB-flight_modOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +iwouldliketoseeinformationforflightsfromsanfranciscoleavingafter12pmtopittsburghonmonday OOOOOOOOOB-fromloc.city_nameI-fromloc.city_nameOB-depart_time.time_relativeB-depart_time.timeI-depart_time.timeOB-toloc.city_nameOB-depart_date.day_name +whatistheleastexpensiveflightfromdenvertoatlanta OOOB-cost_relativeI-cost_relativeOOB-fromloc.city_nameOB-toloc.city_name +ineedtoknowinformationforflightsleavingdallasontuesdayeveningandreturningtoatlanta OOOOOOOOB-fromloc.city_nameOB-depart_date.day_nameB-depart_time.period_of_dayOOOB-toloc.city_name +whatflightgoesfromdenvertobaltimorefirstclassonunitedairlinesarrivingonmayseventh OOOOB-fromloc.city_nameOB-toloc.city_nameB-class_typeI-class_typeOB-airline_nameI-airline_nameOOB-arrive_date.month_nameB-arrive_date.day_number +couldyoupleasetellmetheairlinesthatflyfromtorontotosandiego OOOOOOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatflightsdoyouhavefromburbanktotacomawashington OOOOOOB-fromloc.city_nameOB-toloc.city_nameB-toloc.state_name +whatisthegroundtransportationfromphiladelphiaairporttothecityproper OOOOOOB-fromloc.airport_nameI-fromloc.airport_nameOOOO +whichairlineshavefirstclassflightstoday OOOB-class_typeI-class_typeOB-depart_date.today_relative +findthelatestflightfromsanfranciscotoatlantathatservesameal OOB-flight_modOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOOOB-meal +iwouldliketomakeareservationforaflighttodenverfromphiladelphiaonthiscomingsunday OOOOOOOOOOOB-toloc.city_nameOB-fromloc.city_nameOB-depart_date.date_relativeOB-depart_date.day_name +givemealistofairportsinbaltimore OOOOOOOB-city_name +showmeflightsfrombostontodenveronwednesday OOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_name +showmetheflightsfrombostontobaltimore OOOOOB-fromloc.city_nameOB-toloc.city_name +whatdoesfarecodeqmean OOOOB-fare_basis_codeO +pleasegivemetheflightsfromsanfranciscotowashingtondc OOOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameB-toloc.state_code +ineedinformationfromdenvertopittsburgh OOOOB-fromloc.city_nameOB-toloc.city_name +fromseattletosaltlakecity OB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameI-toloc.city_name +whatistheearliestflightfrombostontobwithatservesasnack OOOB-flight_modOOB-fromloc.city_nameOB-toloc.airport_codeOOOB-meal_description +whattypesofaircraftdoesdeltafly OOOOOB-airline_nameO +whatisthecostofaroundtripflightfrompittsburghtoatlantabeginningonapriltwentyfifthandreturningonmaysixth OOOOOOB-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_nameOOB-depart_date.month_nameB-depart_date.day_numberI-depart_date.day_numberOOOB-return_date.month_nameB-return_date.day_number +givemetheflightsleavingdenveraugustninthcomingbacktoboston OOOOOB-fromloc.city_nameB-depart_date.month_nameB-depart_date.day_numberOOOB-toloc.city_name +listalltheflightsthatflyintogeneralmitchellinternational OOOOOOOB-fromloc.airport_nameI-fromloc.airport_nameI-fromloc.airport_name +whatflightsflyfromdenvertosanfranciscoonmondaytuesdaywednesdaythursdayandfriday OOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_date.day_nameB-depart_date.day_nameB-depart_date.day_nameB-depart_date.day_nameOB-depart_date.day_name +listallflightsfromindianapolistoseattle OOOOB-fromloc.city_nameOB-toloc.city_name +inflightmealoaklandtophiladelphiasaturday OOB-mealB-fromloc.city_nameOB-toloc.city_nameB-depart_date.day_name +showmetheflightsontwafromatlantainthemorning OOOOOB-airline_codeOB-fromloc.city_nameOOB-depart_time.period_of_day +iwanttofindthefirstflightfrombaltimoretobostonthatservesameal OOOOOB-flight_modOOB-fromloc.city_nameOB-toloc.city_nameOOOB-meal +ofallairlineswhichairlinehasthemostarrivalsinatlanta OOOOOOOB-modOOB-toloc.city_name +displayallflightsfrombaltimoretobostononjulytwentyninth OOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_numberI-depart_date.day_number +iwanttotravelfromatlantatobaltimoreearlyinthemorningfirstflight OOOOOB-fromloc.city_nameOB-toloc.city_nameB-depart_time.period_modOOB-depart_time.period_of_dayB-flight_modO +inowneedaflightfromsanjosetohoustonleavingonsundaythefourth OOOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOOB-depart_date.day_nameOB-depart_date.day_number +whataretheflightsavailableafter6pmbetweensanfranciscoandboston OOOOOB-depart_time.time_relativeB-depart_time.timeI-depart_time.timeOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +whatflightsdepartbaltimoreonfridayandarriveinsanfranciscoby8pm OOOB-fromloc.city_nameOB-depart_date.day_nameOOOB-toloc.city_nameI-toloc.city_nameB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.time +showmeflightsfrombostontosanfrancisco OOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +listthedeltaairlinesflightsfrombostontophiladelphia OOB-airline_nameI-airline_nameOOB-fromloc.city_nameOB-toloc.city_name +showmethefaresfromdallastosanfrancisco OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatnonstopflightsbetweenbostonandwashingtonarriveafter4o'clockpm OB-flight_stopOOB-fromloc.city_nameOB-toloc.city_nameOB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.timeI-arrive_time.time +whatisthedistancefromlosangelesinternationalairporttolosangeles OOOOOB-fromloc.airport_nameI-fromloc.airport_nameI-fromloc.airport_nameI-fromloc.airport_nameOB-toloc.city_nameI-toloc.city_name +groundtransportationinsanjose OOOB-city_nameI-city_name +pleasetellmehowmanynonstopflightstherearefrombostontoatlanta OOOOOB-flight_stopOOOOB-fromloc.city_nameOB-toloc.city_name +ontheearliestflightfromsanfranciscotoatlantaondeltaisamealbeingserved OOB-flight_modOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOB-airline_nameOOB-mealOO +wheredoescanadianairlinesinternationalfly OOB-airline_nameI-airline_nameI-airline_nameO +whatflightsfromdenvertopittsburgharrivebefore8inthemorning OOOB-fromloc.city_nameOB-toloc.city_nameOB-arrive_time.time_relativeB-arrive_time.timeOOB-arrive_time.period_of_day +findmetheearliestflightfrombostontoatlanta OOOB-flight_modOOB-fromloc.city_nameOB-toloc.city_name +listnonstopflightsfromhoustontodallaswhicharrivebeforemidnight OB-flight_stopOOB-fromloc.city_nameOB-toloc.city_nameOOB-arrive_time.time_relativeB-arrive_time.period_of_day +showmetheflightsfrombostontosanfranciscothatstopinatlanta OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOOB-stoploc.city_name +showmeflightstosanfranciscofromphiladelphiastoppingindallas OOOOB-toloc.city_nameI-toloc.city_nameOB-fromloc.city_nameOOB-stoploc.city_name +whatcityistheairportmcoin OOOOOB-fromloc.airport_codeO +howmuchdoesitcosttorentacarintacoma OOOOOOOOB-transport_typeOB-city_name +showmeflightsfrombaltimoretodallas OOOOB-fromloc.city_nameOB-toloc.city_name +showmealistofgroundtransportationatdenver OOOOOOOOB-city_name +i'dlikeaflightfromcolumbustophoenixstoppingincincinnatiandservingdinnerwhat'savailable OOOOOOB-fromloc.city_nameOB-toloc.city_nameOOB-stoploc.city_nameOOB-meal_descriptionOOO +alsoshowmeflightsfromsanfranciscotopittsburghontuesday OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_name +showflightsfromdallastooakland OOOB-fromloc.city_nameOB-toloc.city_name +givemethecheapestflightfromcharlottetolongbeach OOOB-cost_relativeOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +showmeallflightsfromsanfranciscotopittsburgh OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +findmeaflightonunitedfrombostontosanfranciscowithastopoverindenver OOOOOB-airline_nameOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOOOB-stoploc.city_name +showmethelastflightfromlovefield OOOB-flight_modOOB-fromloc.airport_nameI-fromloc.airport_name +whatflightsgofromnewarktobostonafter5pm OOOOB-fromloc.city_nameOB-toloc.city_nameB-depart_time.time_relativeB-depart_time.timeI-depart_time.time +whatarealltheflightsfrombostontodallas OOOOOOB-fromloc.city_nameOB-toloc.city_name +whatistheearliestflightdepartingsanfranciscoandarrivinginbostononnovemberninth OOOB-flight_modOOB-fromloc.city_nameI-fromloc.city_nameOOOB-toloc.city_nameOB-arrive_date.month_nameB-arrive_date.day_number +whatistheearliestflightflyingfrompittsburghtoatlantaonjulyfifth OOOB-flight_modOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +pleaselistavailableflightsfornextsaturdayfromphiladelphiatodallas OOOOOB-depart_date.date_relativeB-depart_date.day_nameOB-fromloc.city_nameOB-toloc.city_name +whatflightsleavepittsburghandarriveinlosangelesafter5pmonthursday OOOB-fromloc.city_nameOOOB-toloc.city_nameI-toloc.city_nameB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.timeOB-arrive_date.day_name +whatisthetransportationtimefromtheairporttoboston OOOOB-timeOOOOB-toloc.city_name +whichairlinehasthesmallestplaneleavingpittsburghandarrivinginbaltimoreonjulyfourth OOOOB-modOOB-fromloc.city_nameOOOB-toloc.city_nameOB-arrive_date.month_nameB-arrive_date.day_number +whatarethenonstopflightsonamericawestorsouthwestairfromkansascitytoburbankonsaturdaymaytwentytwo OOOB-flight_stopOOB-airline_nameI-airline_nameB-orB-airline_nameOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOB-arrive_date.day_nameB-arrive_date.month_nameB-arrive_date.day_numberI-arrive_date.day_number +whataretheclassesofserviceforamericanairlines OOOOOOOB-airline_nameI-airline_name +iwouldliketofindoutwhatflightsthereareonfridayjuneeleventhfromst.petersburgtomilwaukeeandthenfrommilwaukeetotacomathankyou OOOOOOOOOOOB-depart_date.day_nameB-depart_date.month_nameB-depart_date.day_numberOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOOOB-fromloc.city_nameOB-toloc.city_nameOO +allflightsfrombostontowashingtondconnovembertenth OOOB-fromloc.city_nameOB-toloc.city_nameB-toloc.state_codeOB-depart_date.month_nameB-depart_date.day_number +whataretheflightsfromdenvertosanfrancisco OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +onthe8amflightfromsanfranciscotoatlantawhattypeofaircraftisused OOB-depart_time.timeI-depart_time.timeOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOOOOOO +whichflightisaonewayfareat329dollarsfromdenvertopittsburgh OOOOB-round_tripI-round_tripOOB-fare_amountI-fare_amountOB-fromloc.city_nameOB-toloc.city_name +whatflightsleavebaltimoreforbostonafter6o'clockonfriday OOOB-fromloc.city_nameOB-toloc.city_nameB-depart_time.time_relativeB-depart_time.timeI-depart_time.timeOB-depart_date.day_name +okayineedtogetaflightfromhoustontoseattle OOOOOOOOB-fromloc.city_nameOB-toloc.city_name +pleaselistflightsbetweendenverandboston OOOOB-fromloc.city_nameOB-toloc.city_name +findmetheflightsthatarenonstopbetweenbostonanddallasthatleavebetween12and2intheafternoon OOOOOOB-flight_stopOB-fromloc.city_nameOB-toloc.city_nameOOOB-depart_time.start_timeOB-depart_time.end_timeOOB-depart_time.period_of_day +iwouldlikesomeinformationonflightsleavingbostontoatlanta OOOOOOOOB-fromloc.city_nameOB-toloc.city_name +showmethelatestnonstopflightfromdenvertowashingtondc OOOB-flight_modB-flight_stopOOB-fromloc.city_nameOB-toloc.city_nameB-toloc.state_code +whataretheflightsfromdallastobaltimore OOOOOB-fromloc.city_nameOB-toloc.city_name +iwouldlikeanonstopflightfromnewyorktolasvegasonmarchsecond OOOOB-flight_stopOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-arrive_date.month_nameB-arrive_date.day_number +noiwanttogofromdenvertooakland OOOOOOB-fromloc.city_nameOB-toloc.city_name +showmeallthenightfaresbetweenphiladelphiaandsanfrancisco OOOOB-depart_time.period_of_dayOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatkindsofgroundtransportationisavailableindallasfortworth OOOOOOOOB-city_nameI-city_nameI-city_name +canyoushowmeeconomyclassonewayfaresforflightsfromoaklandtodallasondecembersixteenth OOOOB-economyI-economyB-round_tripI-round_tripOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +whatisfarecodeqw OOOOB-fare_basis_code +i'dlikeaflightonjulyninthfromorlandotokansascityintheafternoon OOOOOOB-depart_date.month_nameB-depart_date.day_numberOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOB-depart_time.period_of_day +whatarethecoachfaresfromcharlottetolawednesdaynight OOOB-class_typeOOB-fromloc.city_nameOB-toloc.city_nameB-depart_date.day_nameB-depart_time.period_of_day +istheregroundtransportationavailableindenver OOOOOOB-city_name +showmeflightsfromphiladelphiatooaklandonfriday OOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_name +iwouldliketoknowtheflightsavailablefrombostontodenverarrivingindenverby8o'clockwednesdaymorning OOOOOOOOOB-fromloc.city_nameOB-toloc.city_nameOOB-toloc.city_nameB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.timeB-arrive_date.day_nameB-arrive_time.period_of_day +iwouldliketoflythecheapestrateavailablefrompittsburghtoatlantaonwednesdaymorning OOOOOOB-cost_relativeOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameB-depart_time.period_of_day +listtheflightfromphiladelphiatosanfranciscoonamericanairlines OOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-airline_nameI-airline_name +flightsfrommemphistolasvegasonsunday OOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_date.day_name +whatisthefirstflightfromatlantatobostononthursdayseptemberfifththatleavesafter8am OOOB-flight_modOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameB-depart_date.month_nameB-depart_date.day_numberOOB-depart_time.time_relativeB-depart_time.timeI-depart_time.time +whatisthefirstclassfareonunitedflight352fromdenvertoboston OOOB-class_typeI-class_typeOOB-airline_nameOB-flight_numberOB-fromloc.city_nameOB-toloc.city_name +flightfromphiladelphiatodallasarrivingbefore4pmonsaturday OOB-fromloc.city_nameOB-toloc.city_nameOB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.timeOB-arrive_date.day_name +listflightstomorrowfromsandiegotophoenix OOB-depart_date.today_relativeOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +showmeallflightsfromsanfranciscotowashingtondcarea OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameB-toloc.state_codeO +sureiwanttogofromphiladelphiatodallas OOOOOOB-fromloc.city_nameOB-toloc.city_name +showmealltheunitedairlinesflightsleavingdallas OOOOB-airline_nameI-airline_nameOOB-fromloc.city_name +canyoulistalltheflightsbetweenphoenixandlasvegas OOOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +listallflightsfrombaltimoretophiladelphia OOOOB-fromloc.city_nameOB-toloc.city_name +roundtripflightsfromminneapolistosandiegocoacheconomyfare B-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameB-class_typeB-economyO +iwanttoflyfrombostontodenverandidon'twantanystopoversandi'dliketoflyonlyduringtheafternoon OOOOOB-fromloc.city_nameOB-toloc.city_nameOOOOOOOOOOOOOOOOB-depart_time.period_of_day +flightsfromdenvertobaltimorebetween10amand2pm OOB-fromloc.city_nameOB-toloc.city_nameOB-depart_time.start_timeI-depart_time.start_timeOB-depart_time.end_timeI-depart_time.end_time +showmetheflightsfromdenvertoatlanta OOOOOB-fromloc.city_nameOB-toloc.city_name +whatflightsarethereondeltafrombostontodallas OOOOOB-airline_nameOB-fromloc.city_nameOB-toloc.city_name +whatkindofgroundtransportationcanyouoffermeinseattle OOOOOOOOOOB-city_name +leavingwashingtongoingtosanfranciscothelatestflight OB-fromloc.city_nameOOB-toloc.city_nameI-toloc.city_nameOB-flight_modO +showmetheflightsavailablefromatlantatobaltimoreleavingatlantainthemorning OOOOOOB-fromloc.city_nameOB-toloc.city_nameOB-fromloc.city_nameOOB-depart_time.period_of_day +roundtripfaresnewyorktosanjose B-round_tripI-round_tripOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whichflightsareservicedbyamericanairlines OOOOOB-airline_nameI-airline_name +howdoigetfrompittsburghairporttodowntownpittsburgh OOOOOB-fromloc.airport_nameI-fromloc.airport_nameOOB-toloc.city_name +doesmidwestexpressservecharlotte OB-airline_nameOOB-city_name +whatflightsfromhoustontomilwaukeeonfridayintheeveningonamericanairlines OOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameOOB-depart_time.period_of_dayOB-airline_nameI-airline_name +whatistheearliestflightgoingfromsanfranciscotodallasonmondayaugustnineteenth OOOB-flight_modOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameB-depart_date.month_nameB-depart_date.day_number +whatflightsfromatlantatost.louisontuesdayarrivingaround230pm OOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_date.day_nameOB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.time +ineedaflightfromkansascitytochicagothatleaveswednesdayandarrivesinchicagoaround7pm OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOOB-depart_date.day_nameOOOB-toloc.city_nameB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.time +iwouldlikeinformationonanyflightsfrompittsburghtosanfranciscoleavingthursdayevening OOOOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_date.day_nameB-depart_time.period_of_day +ineedacheapflightfrombaltimoretosanfrancisco OOOB-flight_modOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatisthecostofafirstclassticketfrombaltimoretodallas OOOOOOB-class_typeI-class_typeOOB-fromloc.city_nameOB-toloc.city_name +whatistheeconomythriftfarefrombostontowashington OOOB-economyB-class_typeOOB-fromloc.city_nameOB-toloc.city_name +listthenonstopflightsearlytuesdaymorningfromdallastoatlanta OOB-flight_stopOB-arrive_time.period_modB-arrive_date.day_nameB-arrive_time.period_of_dayOB-fromloc.city_nameOB-toloc.city_name +whatistheearliestflightyouhavethatleavesphiladelphiatodallas OOOB-flight_modOOOOOB-fromloc.city_nameOB-toloc.city_name +arethereanyflightsfromdallasfortworthtobostonleavingbefore10am OOOOOB-fromloc.city_nameI-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOB-depart_time.time_relativeB-depart_time.timeI-depart_time.time +showmealltheflightstobaltimoreafter6o'clockpm OOOOOOB-toloc.city_nameB-depart_time.time_relativeB-depart_time.timeI-depart_time.timeI-depart_time.time +ineedareturnflightfromphiladelphiatoboston OOOOOOB-fromloc.city_nameOB-toloc.city_name +unitedairlinesflightsstoppingindenverbeforenoon B-airline_nameI-airline_nameOOOB-stoploc.city_nameB-depart_time.time_relativeB-depart_time.time +showmethecarrentalsinbaltimore OOOB-transport_typeI-transport_typeOB-city_name +whatflightsgofromnewarktobostonafter1024inthemorning OOOOB-fromloc.city_nameOB-toloc.city_nameB-depart_time.time_relativeB-depart_time.timeOOB-depart_time.period_of_day +shortesteveningflightfromtampatocincinnati B-flight_modB-depart_time.period_of_dayOOB-fromloc.city_nameOB-toloc.city_name +howmuchtimedoesittaketogobetweentheairportanddowntownbygroundtransportationindallas OOOOOOOOOOOOOOOOOB-city_name +flightsfrombostontopittsburgh OOB-fromloc.city_nameOB-toloc.city_name +i'dliketoflycontinentalairlinesbetweenbostonandphiladelphia OOOOOB-airline_nameI-airline_nameOB-fromloc.city_nameOB-toloc.city_name +iwouldliketobookaflightoncontinentalairlinesfromchicagotoseattleonjunefirst OOOOOOOOB-airline_nameI-airline_nameOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +allflightsfrompittsburghtodallasroundtripafter12pmlessthan100 OOOB-fromloc.city_nameOB-toloc.city_nameB-round_tripI-round_tripB-depart_time.time_relativeB-depart_time.timeI-depart_time.timeB-cost_relativeOB-fare_amount +showmeflightsonsundaygoingfromsanfranciscotobostonnonstopfirstclassleavingafter12noon OOOOB-depart_date.day_nameOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameB-flight_stopB-class_typeI-class_typeOB-depart_time.time_relativeB-depart_time.timeI-depart_time.time +fromlasvegastophoenix OB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +showmeflightsfrompittsburghtoatlantaonmondayafternoon OOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameB-depart_time.period_of_day +showmetheflightwiththesmallestseatingcapacitywhichleavespittsburghandarrivesinbaltimoreonjunefourteenth OOOOOOB-modOOOOB-fromloc.city_nameOOOB-toloc.city_nameOB-arrive_date.month_nameB-arrive_date.day_number +showallflightsfrombostontodenveronjulythirtyfirst OOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_numberI-depart_date.day_number +arethereanyflightsbefore12noononjunefifteenthfromlongbeachtocolumbus OOOOB-depart_time.time_relativeB-depart_time.timeI-depart_time.timeOB-depart_date.month_nameB-depart_date.day_numberOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +listdailyflightsfrombostontoatlanta OB-flight_daysOOB-fromloc.city_nameOB-toloc.city_name +onaflightfromsanfranciscotoatlantathatleavesbefore8amistheresuchaflight OOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOOB-depart_time.time_relativeB-depart_time.timeI-depart_time.timeOOOOO +onunitedairlinesgivemetheflighttimesfrombostontodallas OB-airline_nameI-airline_nameOOOB-flight_timeI-flight_timeOB-fromloc.city_nameOB-toloc.city_name +groundtransportationminneapolis OOB-city_name +howmanyflightsdoesdeltahavewithaclassofservicecodef OOOOB-airline_nameOOOOOOOB-fare_basis_code +pleaselistallthearrivinganddepartingflightsfromgeneralmitchellinternational OOOOOOOOOB-fromloc.airport_nameI-fromloc.airport_nameI-fromloc.airport_name +iwouldliketoseetheflightsfromdenvertophiladelphiaplease OOOOOOOOB-fromloc.city_nameOB-toloc.city_nameO +doeseasternairlinesflyearlyinthemorningbetweenloganandbwi OB-airline_nameI-airline_nameOB-depart_time.period_modOOB-depart_time.period_of_dayOB-fromloc.airport_nameOB-toloc.airport_code +whatflightsleavephoenixonamericanairlines OOOB-fromloc.city_nameOB-airline_nameI-airline_name +canyoulistalltheairlinesthathaveflightsfrombostontosanfrancisco OOOOOOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +flightsfromnashvilletoorlandodaily OOB-fromloc.city_nameOB-toloc.city_nameB-flight_days +showmefirstclassflightsfrompittsburghtosanfranciscoonfriday OOB-class_typeI-class_typeOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_date.day_name +ineedtheearliestflightfromdenvertobostonthatservesdinner OOOB-flight_modOOB-fromloc.city_nameOB-toloc.city_nameOOB-meal_description +fromtorontotoatlantaintheafternoon OB-fromloc.city_nameOB-toloc.city_nameOOB-depart_time.period_of_day +pleaselistthefridayafternoonflightsfromsanjosetodallasonamericanairlines OOOB-depart_date.day_nameB-depart_time.period_of_dayOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOB-airline_nameI-airline_name +istheregroundtransportationinbostonfromtheairport OOOOOB-city_nameOOO +showfirstflightfrompittsburghtoatlantaonwednesday OB-flight_modOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_name +i'msorryiwantedtoflytwaisthereaflightbetweenoaklandandbostonwithastopoverindallasfortworthontwa OOOOOOOB-airline_codeOOOOOB-fromloc.city_nameOB-toloc.city_nameOOOOB-stoploc.city_nameI-stoploc.city_nameI-stoploc.city_nameOB-airline_code +showmeallflightsfromsanfranciscotolaguardianonstop OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.airport_nameI-toloc.airport_nameB-flight_stop +whatflightsaretherefrompittsburghtolosangeles OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatkindofgroundtransportationisthereinwashingtondc OOOOOOOOB-city_nameB-state_code +whatistheleastexpensiveflightavailablefromdallasfortworthtosanfrancisco OOOB-cost_relativeI-cost_relativeOOOB-fromloc.city_nameI-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatdoesthefarecodefmean OOOOOB-fare_basis_codeO +what'sthemostexpensivewayicanflytowashington OOOB-cost_relativeI-cost_relativeOOOOOB-toloc.city_name +whatflightsfromhoustontomilwaukeeonfridayonamericanairlines OOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameOB-airline_nameI-airline_name +whatisthescheduleofgroundtransportationfromtheairportinphiladelphiaintodowntown OOOB-flight_timeOOOOOOOB-fromloc.city_nameOO +showmealistofflightsfromsanfranciscotobostonforaugustthirtieth OOOOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +showmetheleastexpensiveflightfrommiamitoclevelandonsundayafternoon OOOB-cost_relativeI-cost_relativeOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameB-depart_time.time_relativeB-depart_time.time +howmuchdoesitcosttogofromdowntowntologanairport OOOOOOOOOOB-toloc.airport_nameI-toloc.airport_name +whatflightsaretherefromnewarktotampa OOOOOB-fromloc.city_nameOB-toloc.city_name +iwantaflightfromphiladelphiatodallasthatatleasthasonestop OOOOOB-fromloc.city_nameOB-toloc.city_nameOOB-modOB-flight_stopI-flight_stop +showflightsfromdenvertooaklandarrivingbetween12and1o'clock OOOB-fromloc.city_nameOB-toloc.city_nameOOB-arrive_time.start_timeOB-arrive_time.end_timeI-arrive_time.end_time +whatisthefarefromsanfranciscotodallasfortworthondeltaflight852 OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameI-toloc.city_nameOB-airline_nameOB-flight_number +flightsfromnewarknewjerseytoclevelandohio OOB-fromloc.city_nameB-fromloc.state_nameI-fromloc.state_nameOB-toloc.city_nameB-toloc.state_name +givemeflightsfromdenvertobaltimore OOOOB-fromloc.city_nameOB-toloc.city_name +showtheflightsfromdenvertosanfrancisco OOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +showmeflightsdenvertowashingtondconthursday OOOB-fromloc.city_nameOB-toloc.city_nameB-toloc.state_codeOB-depart_date.day_name +pleaselistthethursdaymorningflightsfromst.louistost.paul OOOB-depart_date.day_nameB-depart_time.period_of_dayOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatflightdoyouhavefrompittsburghtosanfranciscoonthemorningofaugusttwentyseventh OOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOB-depart_time.period_of_dayOB-depart_date.month_nameB-depart_date.day_numberI-depart_date.day_number +whataretheflightsfrombostontoatlanta OOOOOB-fromloc.city_nameOB-toloc.city_name +whatflightsfrombaltimoretosanfranciscoarrivebefore8pminsanfrancisco OOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.timeOB-toloc.city_nameI-toloc.city_name +showmetheflightsfrompittsburghtosanfranciscoforthursdaynightorfriday OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_date.day_nameB-depart_time.period_of_dayB-orB-depart_date.day_name +getmeafirstclassflightonamericantosanfranciscoontuesdaynextweek OOOB-class_typeI-class_typeOOB-airline_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_date.day_nameB-depart_date.date_relativeO +groundtransportationinwestchestercounty OOOB-city_nameI-city_name +whatflightsaretherefromatlantatobaltimore OOOOOB-fromloc.city_nameOB-toloc.city_name +i'dliketoflyfromdallastosanfranciscoatapproximately615pm OOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_time.time_relativeB-depart_time.timeI-depart_time.time +listthefaresofusairflightsfrombostontophiladelphia OOOOB-airline_nameI-airline_nameOOB-fromloc.city_nameOB-toloc.city_name +listflightsfromphoenixtodetroitonthursdayjunetwentyfourth OOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameB-depart_date.month_nameB-depart_date.day_numberI-depart_date.day_number +whatflightsfrommiamitoindianapolisonsunday OOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_name +nowshowmetheflightsfrommemphistocleveland OOOOOOB-fromloc.city_nameOB-toloc.city_name +canyougivemeinformationonalltheflightsfromsanfrancisconofrompittsburghtosanfranciscoonmonday OOOOOOOOOOB-fromloc.city_nameI-fromloc.city_nameOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_date.day_name +couldyoufindmeaflightfrombostontosanfranciscothatstopsindenver OOOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOOB-stoploc.city_name +flightsfromclevelandtomiami OOB-fromloc.city_nameOB-toloc.city_name +givemetheflightsfrompittsburghtolosangelesthursdayevening OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameB-depart_date.day_nameB-depart_time.period_of_day +pleaselistalloftheflightsleavingatlantaheadingtobaltimoreafter8pmwednesdayandbefore9amthursday OOOOOOOB-fromloc.city_nameOOB-toloc.city_nameB-depart_time.time_relativeB-depart_time.timeI-depart_time.timeB-depart_date.day_nameOB-depart_time.time_relativeB-depart_time.timeI-depart_time.timeB-depart_date.day_name +showmeflightsfromseattletosanfranciscothatleaveafter5pm OOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOB-depart_time.time_relativeB-depart_time.timeI-depart_time.time +showmetheflightsthatgofromtacomatomiami OOOOOOOB-fromloc.city_nameOB-toloc.city_name +whichairlinecanflymefromatlantatodenvertosanfrancisco OOOOOOB-fromloc.city_nameOB-toloc.city_nameOB-toloc.city_nameI-toloc.city_name +arethereanyflightsfromdenvertopittsburghwithstopsinatlanta OOOOOB-fromloc.city_nameOB-toloc.city_nameOOOB-stoploc.city_name +listalltheflightsthatarriveatgeneralmitchellinternational OOOOOOOB-toloc.airport_nameI-toloc.airport_nameI-toloc.airport_name +whatisfarecodeh OOOOB-fare_basis_code +whatflightsfromsaltlakecitytonewyorkcityarrivenextsaturdaybefore6pm OOOB-fromloc.city_nameI-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameI-toloc.city_nameOB-arrive_date.date_relativeB-arrive_date.day_nameB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.time +flightsfromnashvilletoseattle OOB-fromloc.city_nameOB-toloc.city_name +showmefaresfromseattletominneapolis OOOOB-fromloc.city_nameOB-toloc.city_name +ineedaflightfrombostontosanfranciscoviadallasfortworth OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-stoploc.city_nameI-stoploc.city_nameI-stoploc.city_name +i'dlikeanafternoonflightfromatlantatosanfranciscowithastopoverindenverarrivingi'dsayaboutmealtime OOOOB-depart_time.period_of_dayOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOOOB-stoploc.city_nameOOOOB-arrive_time.time_relativeB-arrive_time.time +showmethemostexpensiveonewayflightfromdetroittowestchestercounty OOOB-cost_relativeI-cost_relativeB-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +showmetheflightsfrombaltimoretophiladelphia OOOOOB-fromloc.city_nameOB-toloc.city_name +fromdenvertowashingtondconmondaynovembereleventh1991 OB-fromloc.city_nameOB-toloc.city_nameB-toloc.state_codeOB-depart_date.day_nameB-depart_date.month_nameB-depart_date.day_numberB-depart_date.year +pleaselistalltheflightsfrombostontodenverwhichservemeals OOOOOOB-fromloc.city_nameOB-toloc.city_nameOOB-meal +listaircrafttypesthatflybetweenbostonandsanfrancisco OOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatdoesfarecodeqwmean OOOOB-fare_basis_codeO +i'minterestedinaflightonamericanairlinesfromdallastowashington OOOOOOOB-airline_nameI-airline_nameOB-fromloc.city_nameOB-toloc.city_name +givemeflightsfrompittsburghtobaltimore OOOOB-fromloc.city_nameOB-toloc.city_name +howmuchisaroundtripfarefromindianapolistoseattle OOOOB-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_name +whatisthecheapestflightfromlongbeachtomemphis OOOB-cost_relativeOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +whichairlineprovidesbusinessclassflights OOOB-class_typeI-class_typeO +pittsburghtodenver B-fromloc.city_nameOB-toloc.city_name +whichairlinesflybetweenbostonandpittsburgh OOOOB-fromloc.city_nameOB-toloc.city_name +listtheflightsarrivinginatlantafrombaltimorebeforenoononaugustfourth OOOOOB-toloc.city_nameOB-fromloc.city_nameB-arrive_time.time_relativeB-arrive_time.timeOB-arrive_date.month_nameB-arrive_date.day_number +givemetheflightsforamericanairlinefromphiladelphiatodallas OOOOOB-airline_nameI-airline_nameOB-fromloc.city_nameOB-toloc.city_name +ineedaflightthissundayfrommiamitolasvegasandiwouldpreferamorningflight OOOOOB-depart_date.day_nameOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOOOOB-depart_time.period_of_dayO +flightsfrombostontopittsburgh OOB-fromloc.city_nameOB-toloc.city_name +whichflightsgofrompittsburghtoatlantaintheevening OOOOB-fromloc.city_nameOB-toloc.city_nameOOB-depart_time.period_of_day +showmethefaresfromdallastosanfrancisco OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +givemeamericanairlinesflightsfrommilwaukeetophoenixonsaturdayandonsunday OOB-airline_nameI-airline_nameOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameOOB-depart_date.day_name +listallflightsthatleavefrombaltimoreordenverorpittsburghandarriveinphiladelphia OOOOOOB-fromloc.city_nameB-orB-fromloc.city_nameB-orB-fromloc.city_nameOOOB-toloc.city_name +showmetheflightsfrombaltimoretooakland OOOOOB-fromloc.city_nameOB-toloc.city_name +showmetheearliestflightfromdenvertolasvegas OOOB-flight_modOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +showmeflightsfrommilwaukeetoorlandoonwednesdaynight OOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameB-depart_time.period_of_day +mayihavealistingofflightsfrommilwaukeetotacomawashingtondepartingintheevening OOOOOOOOB-fromloc.city_nameOB-toloc.city_nameB-toloc.state_nameOOOB-depart_time.period_of_day +whatmorningflightsdoyouhavebetweenoaklandanddenver OB-depart_time.period_of_dayOOOOOB-fromloc.city_nameOB-toloc.city_name +i'dlikeaflightfromwashingtonthatstopsindenverandgoesontosanfrancisco OOOOOOB-fromloc.city_nameOOOB-stoploc.city_nameOOOOB-toloc.city_nameI-toloc.city_name +showmeallflightsfrompittsburghtobaltimoretomorrow OOOOOB-fromloc.city_nameOB-toloc.city_nameB-depart_date.today_relative +allonewayflightsbetweenbostonandphiladelphia OB-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_name +whatflightsgotosanfranciscofromboston OOOOB-toloc.city_nameI-toloc.city_nameOB-fromloc.city_name +whatflightsaretherefromsanfranciscotophiladelphiadailywitheconomyclass OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameB-flight_daysOB-economyI-economy +firstflightsfrompittsburghtoatlantaonathursday B-flight_modOOB-fromloc.city_nameOB-toloc.city_nameOOB-depart_date.day_name +showmetheflightsfrombaltimoretoatlanta OOOOOB-fromloc.city_nameOB-toloc.city_name +tellmeaboutflightsfromtorontotosaltlakecityleavingafter530pm OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameI-toloc.city_nameOB-depart_time.time_relativeB-depart_time.timeI-depart_time.time +showmetheflightsfromindianapolistoorlandowithroundtripfareslessthan1288 OOOOOB-fromloc.city_nameOB-toloc.city_nameOB-round_tripI-round_tripOB-cost_relativeOB-fare_amount +ineedaflightfrombostontopittsburghthatleavesearlyinthemorning OOOOOB-fromloc.city_nameOB-toloc.city_nameOOB-depart_time.period_modOOB-depart_time.period_of_day +whatisthefirstflightfromatlantatobaltimorethatserveslunch OOOB-flight_modOOB-fromloc.city_nameOB-toloc.city_nameOOB-meal_description +showmetheflightsfrompittsburghtobaltimore OOOOOB-fromloc.city_nameOB-toloc.city_name +allflightsfromdenvertophiladelphia OOOB-fromloc.city_nameOB-toloc.city_name +oaklandtophiladelphiasaturday B-fromloc.city_nameOB-toloc.city_nameB-depart_date.day_name +givemetheearliestflighttomorrowonunitedairlinesfromst.petersburgtomilwaukee OOOB-flight_modOB-depart_date.today_relativeOB-airline_nameI-airline_nameOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +showmeflightsonmondayfromphiladelphiatobostonafter7am OOOOB-depart_date.day_nameOB-fromloc.city_nameOB-toloc.city_nameB-depart_time.time_relativeB-depart_time.timeI-depart_time.time +showmealltheflightsleavingbaltimore OOOOOOB-fromloc.city_name +showmetheflightsfromphiladelphiatoboston OOOOOB-fromloc.city_nameOB-toloc.city_name +isthereaplanefrombostontowashington OOOOOB-fromloc.city_nameOB-toloc.city_name +ineedtogofrombostontoatlantaandbackinthesamedayfindmetheearliestflightfromboston OOOOOB-fromloc.city_nameOB-toloc.city_nameOOOOOB-return_date.date_relativeOOOB-flight_modOOB-fromloc.city_name +whatareflightsbetweenbostonandpittsburghonaugusttenth OOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +whatarethescheduleofflightsfrombostontosanfranciscoforaugustfirst OOOB-flight_timeOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +showmeonewayflightsfrommilwaukeetoorlandowednesday OOB-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_nameB-depart_date.day_name +showmeallflightsfrompittsburghtobaltimoretomorrowwhichserveameal OOOOOB-fromloc.city_nameOB-toloc.city_nameB-depart_date.today_relativeOOOB-meal +givemeflightsonamericanairlinesfrommilwaukeetophoenix OOOOB-airline_nameI-airline_nameOB-fromloc.city_nameOB-toloc.city_name +showallflightsfrompittsburghtosanfrancisco OOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +iwishtoflyfrombostontowashingtonpleasefindanairlineforme OOOOOB-fromloc.city_nameOB-toloc.city_nameOOOOOO +pleaselisttheflightsfromdallasfortworthtodcbaltimoreonjulytwentythird OOOOOB-fromloc.city_nameI-fromloc.city_nameI-fromloc.city_nameOB-toloc.state_codeB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_numberI-depart_date.day_number +whichflightsfrommemphistotacomaalsostopinlosangeles OOOB-fromloc.city_nameOB-toloc.city_nameOOOB-stoploc.city_nameI-stoploc.city_name +showmetheflightsontuesdaymorningfromcharlottetobaltimore OOOOOB-depart_date.day_nameB-depart_time.period_of_dayOB-fromloc.city_nameOB-toloc.city_name +ineed2firstclassticketsfromdallasfortworthtosanfrancisco OOOB-class_typeI-class_typeOOB-fromloc.city_nameI-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +arethereanyflightsfromphiladelphiatodallaswhichstopinatlanta OOOOOB-fromloc.city_nameOB-toloc.city_nameOOOB-stoploc.city_name +flightstobaltimore OOB-toloc.city_name +whatdoesmcostandfor OOB-airport_codeOO +whatistheleastexpensivewaytoflyfromphiladelphiatosanfrancisco OOOB-cost_relativeI-cost_relativeOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +listallnonstopflightsfromlosangelestopittsburghbefore5pmontuesday OOB-flight_stopOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.timeOB-arrive_date.day_name +flightnumbersfromcolumbustominneapolistomorrow OOOB-fromloc.city_nameOB-toloc.city_nameB-depart_date.today_relative +givemethecontinentalflightsfromchicagotoseattleonfriday OOOB-airline_nameOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_name +whataretheunitedairlinesflightsbetweenbaltimoreanddenveronaugusttwelfth OOOB-airline_nameI-airline_nameOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +showmetheflightsnexttuesdaybetweenphiladelphiaandsanfrancisco OOOOB-depart_date.date_relativeB-depart_date.day_nameOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +findaflightonamericanairlinesfrombostontosanfranciscothatmakesastopoverindenver OOOOB-airline_nameI-airline_nameOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOOOOB-stoploc.city_name +showmethefaresonallflightsroundtripfrompittsburghtooakland OOOOOOOB-round_tripI-round_tripOB-fromloc.city_nameOB-toloc.city_name +what'sthedifferencebetweenfarecodeqandfarecodef OOOOOOOB-fare_basis_codeOOOB-fare_basis_code +flightsfromcincinnatitosaltlakecity OOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameI-toloc.city_name +groundtransportationdenver OOB-city_name +showmeflightsfromdenvertowashingtondconwednesdays OOOOB-fromloc.city_nameOB-toloc.city_nameB-toloc.state_codeOB-depart_date.day_name +findaflightbetweendenverandoaklandtheflightshouldbeintheafternoonandarrivecloseto5pmtheflightshouldbenonstop OOOOB-fromloc.city_nameOB-toloc.city_nameOOOOOOB-depart_time.period_of_dayOOB-arrive_time.time_relativeOB-arrive_time.timeI-arrive_time.timeOOOOB-flight_stop +showmeallflightsfromatlantatowashingtonwithprices OOOOOB-fromloc.city_nameOB-toloc.city_nameOO +flightsbetweennewyorkandmiami OOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +pleaselistthemondaymorningflightsfromkansascitytoatlanta OOOB-depart_date.day_nameB-depart_time.period_of_dayOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +listallamericanairlinesflightsfromphoenixtomilwaukeewhicharriveonwednesdayafter4pm OOB-airline_nameI-airline_nameOOB-fromloc.city_nameOB-toloc.city_nameOOOB-arrive_date.day_nameB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.time +whatroundtripticketsaretherefromclevelandtomiamionusairthatarrivebefore4pm OB-round_tripI-round_tripOOOOB-fromloc.city_nameOB-toloc.city_nameOB-airline_nameI-airline_nameOOB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.time +i'dliketogofrombostontodenverat9o'clocksaturdaynight OOOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_time.timeI-depart_time.timeB-depart_date.day_nameB-depart_time.period_of_day +showmethenorthwestflightsfromdetroittost.petersburg OOOB-airline_nameOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatistheavailablegroundtransportationbetweentheairportindenveranddowntown OOOOOOOOOOB-fromloc.city_nameOO +onmayfouratlantatodenverdeltaflight257 OB-depart_date.month_nameB-depart_date.day_numberB-fromloc.city_nameOB-toloc.city_nameB-airline_nameOB-flight_number +showmeallflightsfromindianapolis OOOOOB-fromloc.city_name +whichairlineshaveflightsbetweenphiladelphiaandpittsburgh OOOOOB-fromloc.city_nameOB-toloc.city_name +whicharetheflightsfromdenvertobaltimoreorwashingtondc OOOOOB-fromloc.city_nameOB-toloc.city_nameB-orB-toloc.city_nameB-toloc.state_code +listthenumberofflightsleavingbostonfordallasfortworthbefore9aminthemorning OOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameI-toloc.city_nameB-depart_time.time_relativeB-depart_time.timeI-depart_time.timeOOB-depart_time.period_of_day +aretheredeltaflightsleavingatlanta OOB-airline_nameOOB-fromloc.city_name +canyoulistallroundtripflightsfromorlandotokansascityandthentominneapolis OOOOB-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOOB-toloc.city_name +iwouldliketofindaflightfromkansascitytosaltlakecityondeltaandarrivingatabout8o'clockintheeveningcouldyoupleasetellmetheaircraftandtheflightnumberthankyou OOOOOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameI-toloc.city_nameOB-airline_nameOOOB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.timeOOB-arrive_time.period_of_dayOOOOOOOOOOOOO +iwouldlikeaflightfromwashingtontobostonleavingat230onaugusttwentieth OOOOOOB-fromloc.city_nameOB-toloc.city_nameOOB-depart_time.timeOB-depart_date.month_nameB-depart_date.day_number +howmuchisaflightfromwashingtontoboston OOOOOOB-fromloc.city_nameOB-toloc.city_name +showmeallflightsfromorlandotosandiegoonaboeing737 OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOOB-aircraft_code +whatflightsarethereonsundayfromseattletominneapolis OOOOOB-depart_date.day_nameOB-fromloc.city_nameOB-toloc.city_name +whereismco OOB-airport_code +showmeallflightsfrompittsburghtoatlanta OOOOOB-fromloc.city_nameOB-toloc.city_name +whichunitedairlinesflightfliesacrossthiscontinentandleavesfrombostongoestodallasandmakesastopoverinphiladelphia OB-airline_nameI-airline_nameOOOOOOOOB-fromloc.city_nameOOB-toloc.city_nameOOOOOB-stoploc.city_name +listdailyflightsofunitedairlinefromdenvertobaltimorewithfirstclassservice OB-flight_daysOOB-airline_nameI-airline_nameOB-fromloc.city_nameOB-toloc.city_nameOB-class_typeI-class_typeO +showmeflightsfrompittsburghtoatlantaonmondaymorning OOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameB-depart_time.period_of_day +allflightsphoenixtosfo OOB-fromloc.city_nameOB-toloc.airport_code +iwanttotravelfromwashingtondctophiladelphiaontuesdaymorning OOOOOB-fromloc.city_nameB-fromloc.state_codeOB-toloc.city_nameOB-depart_date.day_nameB-depart_time.period_of_day +whatisthefaregoingfromatlantatobostononewayonnovemberseventh OOOOOOB-fromloc.city_nameOB-toloc.city_nameB-round_tripI-round_tripOB-depart_date.month_nameB-depart_date.day_number +isthereaflightonamericanairlinesfrombostontodenver OOOOOB-airline_nameI-airline_nameOB-fromloc.city_nameOB-toloc.city_name +whatflightsareavailablefromsanfranciscotopittsburghonthursdayevening OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameB-depart_time.period_of_day +doyouhaveanafternoonflightleavingintheafternoongoingfrombostontosanfranciscowithastopoverindallas OOOOB-depart_time.period_of_dayOOOOB-depart_time.period_of_dayOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOOOB-stoploc.city_name +showtheflightsfrompittsburghtosanfranciscoagainonmonday OOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOB-depart_date.day_name +showmealistofflightsonamericanairlinesfrombostontodconjulytwentysecond OOOOOOOB-airline_nameI-airline_nameOB-fromloc.city_nameOB-toloc.state_codeOB-depart_date.month_nameB-depart_date.day_numberI-depart_date.day_number +nowi'dlikeflightsfromphiladelphiatopittsburghleavingbetween430and530pm OOOOOOB-fromloc.city_nameOB-toloc.city_nameOOB-depart_time.start_timeOB-depart_time.end_timeI-depart_time.end_time +whateconomyflightsareavailablefromdallastobaltimoreondecemberseventeenth OB-economyOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +pleaseshowmeflightsfromsanfranciscotodallas OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +pleaseshowmealltheflightsfromindianapolistosandiegotomorrow OOOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameB-depart_date.today_relative +whatdoesflightcodeusmean OOOOB-airline_codeO +iwouldlikeaflightfromdenvertopittsburgh OOOOOOB-fromloc.city_nameOB-toloc.city_name +whatistheflightscheduleofthef28frompittsburghtobaltimore OOOB-flight_timeI-flight_timeOOB-aircraft_codeOB-fromloc.city_nameOB-toloc.city_name +lookingforaflightfromdctominnesota OOOOOB-fromloc.state_codeOB-toloc.state_name +howmanyusairflightsleavefromwashington OOB-airline_nameI-airline_nameOOOB-fromloc.city_name +showmetimesforflightsfromsanfranciscotoatlanta OOB-flight_timeOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +whatflightsarethereonwednesdayeveningorthursdaymorningfromdenvertosfo OOOOOB-depart_date.day_nameB-depart_time.period_of_dayB-orB-depart_date.day_nameB-depart_time.period_of_dayOB-fromloc.city_nameOB-toloc.airport_code +howmanyflightsgofromdallastobaltimoreonjulynineteenth OOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +couldyoushowmealltheflightsfromoaklandtosaltlakecity OOOOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameI-toloc.city_name +findmeaflightfrombostontosanfranciscowithlayoverindenveronunited OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOOB-stoploc.city_nameOB-airline_name +whatflightsareavailablebetweenbostonandwashingtonarrivinginwashingtonat630 OOOOOB-fromloc.city_nameOB-toloc.city_nameOOB-toloc.city_nameOB-arrive_time.time +showmetheairlinesbetweentorontoanddenver OOOOOB-fromloc.city_nameOB-toloc.city_name +whatflightsdoyouhavebetweenpittsburghandatlanta OOOOOOB-fromloc.city_nameOB-toloc.city_name +showmetheflightsfromdenvertowestchestercounty OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +ineedinformationforaflightfromdenvertoatlanta OOOOOOOB-fromloc.city_nameOB-toloc.city_name +whatisthecheapestflightfrombostontoatlanta OOOB-cost_relativeOOB-fromloc.city_nameOB-toloc.city_name +whatisthecheapestflightfromatlantatopittsburghoneway OOOB-cost_relativeOOB-fromloc.city_nameOB-toloc.city_nameB-round_tripI-round_trip +showmeallovernightflightsfromwashingtondctosanfranciscoandlisttheirfares OOOB-flight_modOOB-fromloc.city_nameB-fromloc.state_codeOB-toloc.city_nameI-toloc.city_nameOOOO +roundtripflightsbetweennewyorkandmiami B-round_tripI-round_tripOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +showmetheonewayflightfromdetroittowestchestercountywiththehighestfare OOOB-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOB-cost_relativeO +whatflightsaretherefromnewarktochicagooncontinental OOOOOB-fromloc.city_nameOB-toloc.city_nameOB-airline_name +i'mtryingtomakeaconnectionbetweendenverandsanfranciscodoesdeltaairlineflybetweenthosetwo OOOOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-airline_nameI-airline_nameOOOO +whatisthelatestusairflightleavingphiladelphiaandreturningtoboston OOOB-flight_modB-airline_nameI-airline_nameOOB-fromloc.city_nameOOOB-toloc.city_name +pleasegivemeroundtripfaresfrombaltimoretophiladelphia OOOB-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_name +showmetheflightsfromlovefield OOOOOB-fromloc.airport_nameI-fromloc.airport_name +findtravelarrangementsforaroundtripflightfrombaltimoretopittsburgh OOOOOB-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_name +whatflightsaretherefrommemphistolasvegas OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatflightsleavefromnewarktolosangelesintheafternoon OOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOB-depart_time.period_of_day +whichunitedflightsfrombostontosanfranciscomakeconnections OB-airline_nameOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-connect +yesineedaflightfromdenvertopittsburghonjulyseventh OOOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +iwouldlikeanearlymorningflightonjunefirstfromchicagointoseattleoncontinentalairlines OOOOB-depart_time.period_of_dayB-depart_time.period_of_dayOOB-depart_date.month_nameB-depart_date.day_numberOB-fromloc.city_nameOB-toloc.city_nameOB-airline_nameI-airline_name +morningflightsoutofsanfranciscoarrivingbostonafternoon B-depart_time.period_of_dayOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameB-arrive_time.period_of_day +pleaselistavailablegroundtransportationinpittsburgh OOOOOOB-city_name +showmeallnationairflightsfromtoronto OOOB-airline_nameOOB-fromloc.city_name +i'dliketoflyfromdenvertoatlantawithastopinpittsburgh OOOOOOB-fromloc.city_nameOB-toloc.city_nameOOOOB-stoploc.city_name +findthecheapestonewayfarefrombostontooakland OOB-cost_relativeB-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_name +informationonflightsfrompittsburghtosanfrancisco OOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +iwanttoleavefromphiladelphiaandgotoatlantabaltimoreandbostonpleaselisttheseflights OOOOOB-fromloc.city_nameOOOB-toloc.city_nameB-toloc.city_nameOB-toloc.city_nameOOOO +whatistheearliestamericanairlinesflightthaticangetfirstclassfromphiladelphiatodallas OOOB-flight_modB-airline_nameI-airline_nameOOOOOB-class_typeI-class_typeOB-fromloc.city_nameOB-toloc.city_name +flightsfromdenvertowestchestercountynewyorkweekdays OOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameB-toloc.city_nameI-toloc.city_nameB-flight_mod +whatflightsareavailablefrombostontowashingtonlatemondayeveningorearlytuesdaymorning OOOOOB-fromloc.city_nameOB-toloc.city_nameB-depart_time.period_modB-depart_date.day_nameB-depart_time.period_of_dayB-orB-depart_time.period_modB-depart_date.day_nameB-depart_time.period_of_day +whatisrestrictionap57 OOOB-restriction_code +whatistheearliestflightfromdenvertosanfranciscoonthemorningofaugusttwentyseventh OOOB-flight_modOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOB-depart_time.period_of_dayOB-depart_date.month_nameB-depart_date.day_numberI-depart_date.day_number +groundtransportationpleaseinthecityofbostonbetweenairportanddowntown OOOOOB-city_nameI-city_nameI-city_nameOOOO +wednesdaymorningflightsbetweenbaltimoreandnewark B-depart_date.day_nameB-depart_time.period_of_dayOOB-fromloc.city_nameOB-toloc.city_name +whatflightsfromminneapolistopittsburgh OOOB-fromloc.city_nameOB-toloc.city_name +whattypesofgroundtransportationareavailableindenver OOOOOOOOB-city_name +i'minterestedinroundtripflightsfrombostontowashington OOOOB-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_name +showmealldirectflightsfromdallasfortworthtoeithersanfranciscooroakland OOOB-connectOOB-fromloc.city_nameI-fromloc.city_nameI-fromloc.city_nameOOB-toloc.city_nameI-toloc.city_nameB-orB-toloc.city_name +showmetheflightsfrompittsburghtosanfranciscoonfriday OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_date.day_name +i'dliketoflylatetomorrowfromminneapolistolongbeach OOOOOB-depart_time.period_modB-depart_date.today_relativeOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatairlinesflyfrombostontoatlanta OOOOB-fromloc.city_nameOB-toloc.city_name +pleasegivemeinformationonaflightonaprilseventeenfromphiladelphiatobostonasearlyaspossible OOOOOOOOB-depart_date.month_nameB-depart_date.day_numberOB-fromloc.city_nameOB-toloc.city_nameOB-flight_modOO +whatflightsareavailablesaturdaytosanfranciscofromdallas OOOOB-depart_date.day_nameOB-toloc.city_nameI-toloc.city_nameOB-fromloc.city_name +ineedaflightafter6pmonwednesdayfromoaklandtosaltlakecity OOOOB-depart_time.time_relativeB-depart_time.timeI-depart_time.timeOB-depart_date.day_nameOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameI-toloc.city_name +iwanttogofrombostontooaklandonunitedandleaveat838amwhichflightshoulditake OOOOOB-fromloc.city_nameOB-toloc.city_nameOB-airline_nameOOOB-depart_time.timeI-depart_time.timeOOOOO +i'dliketobookthecheapestonewayflightfromdenvertopittsburgh OOOOOOB-cost_relativeB-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_name +whatisthedistancefrombostonairporttoboston OOOOOB-fromloc.airport_nameI-fromloc.airport_nameOB-toloc.city_name +whatflightstakeoffandlandatgeneralmitchellinternational OOOOOOB-fromloc.airport_nameI-fromloc.airport_nameI-fromloc.airport_name +whataretheflightsfrombostontosanfrancisco OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whataretheflightsinthemonthofdecemberfromatlantatodenverwhichstopinboston OOOOOOOOB-depart_date.month_nameOB-fromloc.city_nameOB-toloc.city_nameOOOB-stoploc.city_name +whatflightsareavailablefrompittsburghtobaltimoreonjulytwentyfifth1991 OOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_numberI-depart_date.day_numberB-depart_date.year +isthereaflightfrombostontosanfranciscomakingastopoverindallasfortworth OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOOOB-stoploc.city_nameI-stoploc.city_nameI-stoploc.city_name +howfarisoaklandairportfromdowntown OOOB-fromloc.airport_nameI-fromloc.airport_nameOO +showmethefirstflightthatarrivesintorontofromcincinnati OOOB-flight_modOOOOB-toloc.city_nameOB-fromloc.city_name +flightsfromnewarktotampaonfridayonusair OOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameOB-airline_nameI-airline_name +okaycouldyoutellmewhatflightleavesdallastosanfranciscobyunitedairline OOOOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-airline_nameI-airline_name +pleaselistflightsfromphiladelphiatodallasstoppinginatlanta OOOOB-fromloc.city_nameOB-toloc.city_nameOOB-stoploc.city_name +showmetheflightsfrombaltimoretodallas OOOOOB-fromloc.city_nameOB-toloc.city_name +what'stheearliestflightleavingdenverforpittsburgh OOOB-flight_modOOB-fromloc.city_nameOB-toloc.city_name +whatpmflightsareavailablefromphiladelphiatopittsburgh OB-depart_time.period_of_dayOOOOB-fromloc.city_nameOB-toloc.city_name +iwantareturnflightfromwashingtontodallasonamericanairlines OOOB-round_tripOOB-fromloc.city_nameOB-toloc.city_nameOB-airline_nameI-airline_name +i'dliketoflynonstopfromatlantatobaltimoreandgetthereat7pm OOOOOB-flight_stopOB-fromloc.city_nameOB-toloc.city_nameOOOOB-arrive_time.timeI-arrive_time.time +whatflightsfromkansascitytodenverafter845inthemorning OOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameB-depart_time.time_relativeB-depart_time.timeOOB-depart_time.period_of_day +showmeairlinesbetweenbostonandsanfrancisco OOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +what'sthelatestflightoutofdenverthatarrivesinpittsburghnextmonday OOOB-flight_modOOOB-fromloc.city_nameOOOB-toloc.city_nameB-arrive_date.date_relativeB-arrive_date.day_name +whichcompaniesflybetweenbostonandoakland OOOOB-fromloc.city_nameOB-toloc.city_name +whatflightsdoyouhavebetweenoaklandandbostonwithastopoverindallasfortworth OOOOOOB-fromloc.city_nameOB-toloc.city_nameOOOOB-stoploc.city_nameI-stoploc.city_nameI-stoploc.city_name +iwouldliketoleaveearlyinthemorning OOOOOB-depart_time.period_modOOB-depart_time.period_of_day +showmeflightsfromdenvertoatlantaonjunesixteenth OOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +showmetheitineraryfortheconnectingflightfromdallasfortworthtosanfranciscothatdepartsdallasfortworthat1940 OOOOOOB-connectOOB-fromloc.city_nameI-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOB-fromloc.city_nameI-fromloc.city_nameI-fromloc.city_nameOB-depart_time.time +iwantaflightbetweenoaklandandbostonthatarrivesbefore5pm OOOOOB-fromloc.city_nameOB-toloc.city_nameOOB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.time +showmeflightsfromnewyorktomiami OOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +showmeflightsdenvertowashingtononthursday OOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_name +whatflightsleavefromatlantatobostononjunetwentyninthintheafternoon OOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_numberI-depart_date.day_numberOOB-depart_time.period_of_day +showmethetypeofaircraftthatcanadianairlinesuses OOOOOOOB-airline_nameI-airline_nameO +whatarethemorningflightsfromphiladelphiatodallasgoingonamericanairlines OOOB-depart_time.period_of_dayOOB-fromloc.city_nameOB-toloc.city_nameOOB-airline_nameI-airline_name +whatdoesmcostandfor OOB-airport_codeOO +iwouldliketoknowsomeinformationonflightsleavingphiladelphiaarrivinginpittsburghintheafternoon OOOOOOOOOOB-fromloc.city_nameOOB-toloc.city_nameOOB-arrive_time.period_of_day +us3724baltimoretophiladelphiawhatistheroundtripfare B-airline_codeB-flight_numberB-fromloc.city_nameOB-toloc.city_nameOOOB-round_tripI-round_tripO +istherea4o'clockflightfromwashingtondctodenver OOOB-depart_time.timeI-depart_time.timeOOB-fromloc.city_nameB-fromloc.state_codeOB-toloc.city_name +listtheflightsarrivinginbaltimorefrompittsburghonaugustthird OOOOOB-toloc.city_nameOB-fromloc.city_nameOB-arrive_date.month_nameB-arrive_date.day_number +showmeallflightsfromphoenixtomilwaukeeonwednesday OOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_name +iwouldlikeinformationonflightsfrombaltimoretoatlantaonthursdayarrivinginatlantabefore6pm OOOOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameOOB-toloc.city_nameB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.time +pleaselistthefridayflightsfromhoustontomilwaukeeonamericanairlinesintheevening OOOB-depart_date.day_nameOOB-fromloc.city_nameOB-toloc.city_nameOB-airline_nameI-airline_nameOOB-depart_time.period_of_day +iwouldliketoflyfrompittsburghtoatlanta OOOOOOB-fromloc.city_nameOB-toloc.city_name +showmealltheflightsfromdenvertolasvegas OOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatflightsfromdenvertosaltlakecity OOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameI-toloc.city_name +ineedalistoflateafternoonflightsfromchicagotomilwaukee OOOOOB-depart_time.period_of_dayI-depart_time.period_of_dayOOB-fromloc.city_nameOB-toloc.city_name +i'dliketofindthecheapestflightfromwashingtondctoatlanta OOOOOOB-cost_relativeOOB-fromloc.city_nameB-fromloc.state_codeOB-toloc.city_name +pleaselistallflightsonunitedairlinesoutofdenverbeforenoon OOOOOB-airline_nameI-airline_nameOOB-fromloc.city_nameB-depart_time.time_relativeB-depart_time.time +indenverwhatkindofgroundtransportationistherefromtheairporttodowntown OB-city_nameOOOOOOOOOOOO +showmethelowestpricedfarefromdallastobaltimore OOOB-cost_relativeOOOB-fromloc.city_nameOB-toloc.city_name +whatflightsaretheretuesdaymorningfromdallastoatlanta OOOOB-depart_date.day_nameB-depart_time.period_of_dayOB-fromloc.city_nameOB-toloc.city_name +showmethefarefordeltaflight296fromatlantatophiladelphia OOOOOB-airline_nameOB-flight_numberOB-fromloc.city_nameOB-toloc.city_name +listthethreeearliestflightsfromatlantatophiladelphiaonwednesday OOOB-flight_modOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_name +frommontrealtolasvegas OB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +canyoulistflightsfromwashingtontotorontowiththelowestonewayfares OOOOOB-fromloc.city_nameOB-toloc.city_nameOOB-cost_relativeB-round_tripI-round_tripO +whataretheroundtripflightsfromphiladelphiatosanfrancisco OOOB-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +showmeallusairflightsfromatlantatodenverforthedayaftertomorrow OOOB-airline_nameI-airline_nameOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.today_relativeI-depart_date.today_relativeI-depart_date.today_relativeI-depart_date.today_relative +showflightsonusairfrompittsburghtooaklandconnectingthroughdenver OOOB-airline_nameI-airline_nameOB-fromloc.city_nameOB-toloc.city_nameB-connectOB-stoploc.city_name +alistingofallflightsfrombostontobaltimorebefore10amonthursday OOOOOOB-fromloc.city_nameOB-toloc.city_nameB-depart_time.time_relativeB-depart_time.timeI-depart_time.timeOB-depart_date.day_name +whatairportinnewyorkisclosesttodowntown OOOB-fromloc.city_nameI-fromloc.city_nameOB-modOO +whatflightsaretherefromtampatocharlotte OOOOOB-fromloc.city_nameOB-toloc.city_name +whatistheearliestflightfrombostontophiladelphia OOOB-flight_modOOB-fromloc.city_nameOB-toloc.city_name +showmeallflightsfromdenvertosanfrancisco OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +allflightsfromlongbeachtophoenix OOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +whatisff OOB-airline_code +i'dlikeanonstopflightfromatlantatobaltimorethatgetsinaround7pm OOOOB-flight_stopOOB-fromloc.city_nameOB-toloc.city_nameOOOB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.time +eveningflightsfromphiladelphiatooakland B-depart_time.period_of_dayOOB-fromloc.city_nameOB-toloc.city_name +whatdoesap57mean OOB-restriction_codeO +pleaselistanyflightsfromoaklandcaliforniatophiladelphiaontuesday OOOOOB-fromloc.city_nameB-fromloc.state_nameOB-toloc.city_nameOB-depart_date.day_name +showflightsfromsanfranciscotodenveronwednesdayandthursday OOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameOB-depart_date.day_name +canyoutellmethecheapestonewayfarefrombostontosanfrancisco OOOOOB-cost_relativeB-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatgroundtransportationisavailableindenver OOOOOOB-city_name +showmetheflightsfrombostontopittsburghonthursday OOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_name +whatflightsareavailablefromphiladelphiatodenveronsundays OOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_name +listflightsfromphiladelphiatodallasthatstopinatlanta OOOB-fromloc.city_nameOB-toloc.city_nameOOOB-stoploc.city_name +listairlinesservingbetweendenverandsanfrancisco OOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +what'sthecheapestfareforaroundtripfromindianapolistoorlandoondecembertwentyseventh OOOB-cost_relativeOOOB-round_tripI-round_tripOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_numberI-depart_date.day_number +whatarethelowestonewayfaresfrompittsburghtoatlanta OOOB-cost_relativeB-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_name +whatflightsfromnewyorktolosangeles OOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatisfarecodef OOOOB-fare_basis_code +flightsfromdenvertoseattleonsaturdaymorningoncontinental OOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameB-depart_time.period_of_dayOB-airline_name +whatistheleastexpensiveflightfrompittsburghtoatlantaleavingonoctoberfifth OOOB-cost_relativeI-cost_relativeOOB-fromloc.city_nameOB-toloc.city_nameOOB-depart_date.month_nameB-depart_date.day_number +givemethelistofflightsforcontinentalbetweendenverandboston OOOOOOOB-airline_nameOB-fromloc.city_nameOB-toloc.city_name +listdailyflightsfromoaklandtobostonusingcontinentalairlines OB-flight_daysOOB-fromloc.city_nameOB-toloc.city_nameOB-airline_nameI-airline_name +whatflightsfromtacomatoorlandoonsaturday OOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_name +whatarethecoachclassfaresonflightsfrompittsburghtoatlanta OOOB-class_typeI-class_typeOOOOB-fromloc.city_nameOB-toloc.city_name +whatisthemeaningofrestrictionap80 OOOOOOB-restriction_code +ineedaflightfromlosangelestocharlottetoday OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameB-depart_date.today_relative +whatisrestrictionap80 OOOB-restriction_code +showmeallflightsfromatlantatosanfranciscowhichleavethedayaftertomorrowafter5o'clockpm OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOB-depart_date.today_relativeI-depart_date.today_relativeI-depart_date.today_relativeI-depart_date.today_relativeB-depart_time.time_relativeB-depart_time.timeI-depart_time.timeI-depart_time.time +ineedaflightfromnewyorktotorontothursdaymaysixarrivingbynoon OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameB-depart_date.day_nameB-depart_date.month_nameB-depart_date.day_numberOB-arrive_time.time_relativeB-arrive_time.time +whataremychoicesofflightsleavingearlyafternoonfromminneapolistoindianapolis OOOOOOOB-depart_time.period_of_dayB-depart_time.period_of_dayOB-fromloc.city_nameOB-toloc.city_name +nowineedflightinformationleavingatlantaandarrivinginbaltimoreintheafternoon OOOOOOB-fromloc.city_nameOOOB-toloc.city_nameOOB-arrive_time.period_of_day +pleaselistallflightsfrombaltimoretoatlanta OOOOOB-fromloc.city_nameOB-toloc.city_name +whatarealltheflightsavailablebetweenpittsburghanddallasfortworth OOOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameI-toloc.city_name +fromdenvertopittsburghonapriltwentyfirstineedthecheapestflight OB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_numberI-depart_date.day_numberOOOB-cost_relativeO +findtheflightsleavingdallasandgoingtosanfranciscothatleaveafter5pm OOOOB-fromloc.city_nameOOOB-toloc.city_nameI-toloc.city_nameOOB-depart_time.time_relativeB-depart_time.timeI-depart_time.time +flightsfromnewyorktomiami OOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +listflightsfromphiladelphiatodallas OOOB-fromloc.city_nameOB-toloc.city_name +ineedaflightfrompittsburghtolosangelesthursdayevening OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameB-depart_date.day_nameB-depart_time.period_of_day +whatisthecheapestflightfromdenvertopittsburghleavingonseptembertwentyeighth OOOB-cost_relativeOOB-fromloc.city_nameOB-toloc.city_nameOOB-depart_date.month_nameB-depart_date.day_numberI-depart_date.day_number +whatflightsaretherefromhoustontodallas OOOOOB-fromloc.city_nameOB-toloc.city_name +whatdoesgroundtransportationlooklikeinoakland OOOOOOOB-city_name +listallnonstopflightsfromlatopittsburghbefore5pmontuesday OOB-flight_stopOOB-fromloc.city_nameOB-toloc.city_nameB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.timeOB-arrive_date.day_name +showmetheflightsfromdenvertolasvegas OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatflightsareavailablefromdenvertodallasfortworthintheafternoons OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameI-toloc.city_nameOOB-depart_time.period_of_day +ineedaflightfromnewyorkcitytomontrealtomorrow OOOOOB-fromloc.city_nameI-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameB-depart_date.today_relative +showmethenamesofairlinesinatlanta OOOOOOOB-city_name +i'dliketoflyfromsanfranciscotobostonwithastopoverindallasfortworthandiwanttoflyondeltaairlines OOOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOOOOB-stoploc.city_nameI-stoploc.city_nameI-stoploc.city_nameOOOOOOB-airline_nameI-airline_name +ineedtofindaplanefrombostontosanfranciscoonfriday OOOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_date.day_name +showmealistofflightsfromdenvertosanfranciscoforseptemberfirst1991 OOOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_numberB-depart_date.year +ineedaflightfromkansascitytonewarkonthefirstofjuly OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOOB-depart_date.day_numberOB-depart_date.month_name +whataircrafthasthelargestseatingcapacity OOOOB-modOO +whatisewr OOB-airport_code +whatgroundtransportationisavailableatbaltimore OOOOOOB-city_name +findtravelarrangementsforaroundtripflightfromdallastopittsburgharrivingafter8pm OOOOOB-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_nameOB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.time +showmeroundtripflightsfromdenvertobaltimorethatofferfirstclassserviceonunited OOB-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_nameOOB-class_typeI-class_typeOOB-airline_name +showmethecheapestonewayflightsfromdallastosanfranciscoleavingdallasafter4pm OOOB-cost_relativeB-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-fromloc.city_nameB-depart_time.time_relativeB-depart_time.timeI-depart_time.time +whatarethefirstclassfaresfromdallastobaltimore OOOB-class_typeI-class_typeOOB-fromloc.city_nameOB-toloc.city_name +showmecontinentalflightsfromchicagotoseattleonsaturdaymorning OOB-airline_nameOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameB-depart_time.period_of_day +whatnorthwestairlinesflightsleavedenverbeforenoon OB-airline_nameI-airline_nameOOB-fromloc.city_nameB-depart_time.time_relativeB-depart_time.time +arethereanyflightsnextmondaymorningfrompittsburghtosanfrancisco OOOOB-depart_date.date_relativeB-depart_date.day_nameB-depart_time.period_of_dayOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatdoesfarecodeqomean OOOOB-fare_basis_codeO +showmetheflightsavailablefromsanfranciscotopittsburghfortuesdayandalsotheprice OOOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameOOOO +flightsbetweenmilwaukeeandorlandooneway OOB-fromloc.city_nameOB-toloc.city_nameB-round_tripI-round_trip +whatdoesewrmean OOB-airport_codeO +flightsfrombaltimoretosanfrancisco OOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +givemetheearliestflightonamericanairlinestomorrowfromst.petersburgtomilwaukee OOOB-flight_modOOB-airline_nameI-airline_nameB-depart_date.today_relativeOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +whatflightsdoesdeltahavebetweendallasanddenver OOOB-airline_nameOOB-fromloc.city_nameOB-toloc.city_name +iwouldliketoflyfrombostontobaltimoreintheafternoonwhatflightsarethere OOOOOOB-fromloc.city_nameOB-toloc.city_nameOOB-depart_time.period_of_dayOOOO +wheredoesflightua281frombostontooaklandstop OOOB-airline_codeB-flight_numberOB-fromloc.city_nameOB-toloc.city_nameB-flight_stop +iwouldliketobookaflightfromcharlottetobaltimoreonaprileighth OOOOOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +iwouldlikeanonstopflightfromjfktolasvegasonmarchsecond OOOOB-flight_stopOOB-fromloc.airport_codeOB-toloc.city_nameI-toloc.city_nameOB-arrive_date.month_nameB-arrive_date.day_number +thankyouforthatinformationnowiwouldliketobookaflightfromphiladelphiatobostononthenightofaprilsixteenaround9o'clock OOOOOOOOOOOOOOB-fromloc.city_nameOB-toloc.city_nameOOB-depart_time.period_of_dayOB-depart_date.month_nameB-depart_date.day_numberB-depart_time.time_relativeB-depart_time.timeI-depart_time.time +whatflightdoyouhavefromsanfranciscotopittsburghontheeveningofaugusttwentyseventh OOOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOOB-depart_time.period_of_dayOB-depart_date.month_nameB-depart_date.day_numberI-depart_date.day_number +pleasegivemealistofalltheflightsbetweendallasandbaltimoreandtheircost OOOOOOOOOOB-fromloc.city_nameOB-toloc.city_nameOOO +showmethenonstopflightsfromdallastohouston OOOB-flight_stopOOB-fromloc.city_nameOB-toloc.city_name +showmetheflightsfrombostontopittsburghonwednesdayandthursday OOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameOB-depart_date.day_name +showmetheflightsarrivingatlovefield OOOOOOB-toloc.airport_nameI-toloc.airport_name +showmetheflightsoutoflovefield OOOOOOB-fromloc.airport_nameI-fromloc.airport_name +whatisthefareforaonewayflightfrombostontoatlanta OOOOOOB-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_name +iwanttoleavephiladelphiaandarriveinatlantaonathursday OOOOB-fromloc.city_nameOOOB-toloc.city_nameOOB-arrive_date.day_name +istherearoundtripflightfrombaltimoretodallasconnectingindenver OOOB-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_nameB-connectOB-stoploc.city_name +whatistheearliestflightfrombostontoatlanta OOOB-flight_modOOB-fromloc.city_nameOB-toloc.city_name +givemetheflightsfromchicagotoseattleonsaturdaymorning OOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameB-depart_time.period_of_day +houstonairports B-city_nameO +iwouldlikeamorningflightfrommilwaukeetodenvercoloradoplease OOOOB-depart_time.period_of_dayOOB-fromloc.city_nameOB-toloc.city_nameB-toloc.state_nameO +canyoupleasetellmethetypeofaircraftusedflyingfromatlantatodenveroneasternflight825leavingat555 OOOOOOOOOOOOB-fromloc.city_nameOB-toloc.city_nameOB-airline_nameOB-flight_numberOOB-depart_time.time +arethereanyflightsnextmondaymorningfrompittsburghtosanfrancisco OOOOB-depart_date.date_relativeB-depart_date.day_nameB-depart_time.period_of_dayOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatflightsfromnewyorktolosangelesafter10am OOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameB-depart_time.time_relativeB-depart_time.timeI-depart_time.time +showmethefaresfromwashingtontooakland OOOOOB-fromloc.city_nameOB-toloc.city_name +what'sthecheapestfirstclassairfarefrompittsburghtosanfrancisco OOOB-cost_relativeB-class_typeI-class_typeOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatisfarecodeh OOOOB-fare_basis_code +showmesaturdayandsunday'sflightsfrommilwaukeetophoenixonamericanairlines OOB-depart_date.day_nameOB-depart_date.day_nameI-depart_date.day_nameOOB-fromloc.city_nameOB-toloc.city_nameOB-airline_nameI-airline_name +howmuchdoesitcosttoflyonewayfrombostontowashingtonfirstclass OOOOOOOB-round_tripI-round_tripOB-fromloc.city_nameOB-toloc.city_nameB-class_typeI-class_type +couldihavetheflightsfromnewarktoorlandoplease OOOOOOB-fromloc.city_nameOB-toloc.city_nameO +whatisthecheapestflightfromdenvertooakland OOOB-cost_relativeOOB-fromloc.city_nameOB-toloc.city_name +showmethelistofflightsbetweenphiladelphiaanddenverthatleaveintheafternoon OOOOOOOB-fromloc.city_nameOB-toloc.city_nameOOOOB-depart_time.period_of_day +whatisthecheapestflightfromlongbeachtomemphis OOOB-cost_relativeOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +showmeallflightsfromdenvertopittsburghwhichservedinner OOOOOB-fromloc.city_nameOB-toloc.city_nameOOB-meal_description +listtheshortestflightfromsanjosetohouston OOB-flight_modOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +showmeflightsfromdenvertobostonontuesday OOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_name +iwanttotravelfrombaltimoretowashingtononamonday OOOOOB-fromloc.city_nameOB-toloc.city_nameOOB-depart_date.day_name +showmefaresleavingontuesdaysfromdenvertogotodallas OOOOOB-depart_date.day_nameOB-fromloc.city_nameOOOB-toloc.city_name +whatisthecostofaroundtripticketfirstclassbetweenoakandatl OOOOOOB-round_tripI-round_tripOB-class_typeI-class_typeOB-fromloc.airport_codeOB-toloc.airport_code +showmeroundtripfaresfromlasvegastohoustonnonstop OOB-round_tripI-round_tripOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameB-flight_stop +showmetheflightsfromatlantatophiladelphia OOOOOB-fromloc.city_nameOB-toloc.city_name +whatflightsareavailablefromdenvertophiladelphiawithstopoverinpittsburgh OOOOOB-fromloc.city_nameOB-toloc.city_nameOOOB-stoploc.city_name +whatdoesthefarecodeqwmean OOOOOB-fare_basis_codeO +tellmeaboutgroundtransportationbetweenthedallasfortworthairportanddowntowndallas OOOOOOOB-fromloc.airport_nameI-fromloc.airport_nameI-fromloc.airport_nameI-fromloc.airport_nameOOB-toloc.city_name +flightsfromphoenixtolasvegas OOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +listalldirectflightsfrombostontodenver OOB-connectOOB-fromloc.city_nameOB-toloc.city_name +whataretheflightsfrombostontosanfrancisco OOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +ineedinformationonaflightfrombostontodenver OOOOOOOB-fromloc.city_nameOB-toloc.city_name +whatisthecheapestflightfromdenvertopittsburghonjulytwentysixth OOOB-cost_relativeOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_numberI-depart_date.day_number +whatarethecoachflightsbetweendallasandbaltimoreleavingaugusttenthandreturningaugusttwelve OOOB-class_typeOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_numberOOB-return_date.month_nameB-return_date.day_number +okaywhatiwouldliketoknowisdoestwaflight505fromcharlottetolasvegaswithastopinst.louisservedinnerthat'stwaflight505or163 OOOOOOOOOB-airline_codeOB-flight_numberOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOOOB-stoploc.city_nameI-stoploc.city_nameOB-meal_descriptionOOB-airline_codeOB-flight_numberB-orB-flight_number +okaythatone'sgreattoonowwe'regoingtogoonapriltwentyseconddallastowashingtonthelatestnighttimedepartureoneway OOOOOOOOOOOOOB-depart_date.month_nameB-depart_date.day_numberI-depart_date.day_numberB-fromloc.city_nameOB-toloc.city_nameOB-flight_modB-depart_time.period_of_dayOB-round_tripI-round_trip +what'stheearliestflightfromsanfranciscotoboston OOOB-flight_modOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +showbusinessclassfaresfromsanfranciscotodenveronunitedairlines OB-class_typeI-class_typeOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOB-airline_nameI-airline_name +showmeflightsfromtampatost.louis OOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatflightsgofrombostontoatlantanexttuesday OOOOB-fromloc.city_nameOB-toloc.city_nameB-depart_date.date_relativeB-depart_date.day_name +pleaselisttheflightsleavingfromst.louistost.paulafter10am OOOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameB-depart_time.time_relativeB-depart_time.timeI-depart_time.time +showallflightsbetweensanfranciscoandphiladelphiaforseptemberfifteenth OOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +ineedaflightfromsanfranciscotobostonthatleavesafter8pm OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOOB-depart_time.time_relativeB-depart_time.timeI-depart_time.time +showmetheflightsfrommontrealtochicago OOOOOB-fromloc.city_nameOB-toloc.city_name +whatflightsdoyouhavefromontario OOOOOOB-fromloc.city_name +what'sthepriceoftheleastexpensivefirstclassroundtripticketonusairfromclevelandtomiami OOOOOOB-cost_relativeI-cost_relativeB-class_typeI-class_typeB-round_tripI-round_tripOOB-airline_nameI-airline_nameOB-fromloc.city_nameOB-toloc.city_name +arethereanyturbopropflightsfrompittsburghtobaltimoreondecemberseventeenth OOOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +showflightsfrompittsburghtooakland OOOB-fromloc.city_nameOB-toloc.city_name +showmethedinnerflightsfrombaltimoretooakland OOOB-meal_descriptionOOB-fromloc.city_nameOB-toloc.city_name +pleasefindtheearliestpossibleflightfrombostontodenver OOOB-flight_modOOOB-fromloc.city_nameOB-toloc.city_name +showmetheflightsfromlovefieldtoanyotherairport OOOOOB-fromloc.airport_nameI-fromloc.airport_nameOOOO +canigetataxifromlongbeachairporttodowntownlongbeach OOOOB-transport_typeOB-fromloc.city_nameI-fromloc.city_nameOOOB-fromloc.city_nameI-fromloc.city_name +givemeflightsfromatlantatobaltimore OOOOB-fromloc.city_nameOB-toloc.city_name +howlongistheflightfromatlantatosanfranciscoatnoononnovemberseventh OOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_time.timeOB-depart_date.month_nameB-depart_date.day_number +whataretheflightsfrombaltimoretodallasonsundayafternoon OOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameB-depart_time.period_of_day +showmeallflightsfromsanfranciscotooakland OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +whatgroundtransportationisavailablefromthepittsburghairport OOOOOOOB-fromloc.airport_nameI-fromloc.airport_name +listtheairlinesthathavenonstopafternoonflightsfrombostontooakland OOOOOB-flight_stopB-arrive_time.period_of_dayOOB-fromloc.city_nameOB-toloc.city_name +whatisthefirstclassfarefromindianapolistoorlando OOOB-class_typeI-class_typeOOB-fromloc.city_nameOB-toloc.city_name +nowshowmetheflightsfrompittsburghtobaltimore OOOOOOB-fromloc.city_nameOB-toloc.city_name +showmealltheflightsonnorthwestairlinesfromnewyorktomilwaukeetolosangeles OOOOOOB-airline_nameI-airline_nameOB-fromloc.city_nameI-fromloc.city_nameOB-stoploc.city_nameOB-toloc.city_nameI-toloc.city_name +whatistheearliestflightthathasnostopsfromwashingtontosanfranciscoonfriday OOOB-flight_modOOOB-flight_stopI-flight_stopOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOB-depart_date.day_name +showmefirstclassfaresfromdallastobaltimore OOB-class_typeI-class_typeOOB-fromloc.city_nameOB-toloc.city_name +flyfromdenvertophiladelphiaoncontinental OOB-fromloc.city_nameOB-toloc.city_nameOB-airline_name +pleaseshowmeagainthefirstclassfaresfrombaltimoretodallas OOOOOB-class_typeI-class_typeOOB-fromloc.city_nameOB-toloc.city_name +showmeallmidwestexpressflightsfromdetroittochicago OOOB-airline_nameOOOB-fromloc.city_nameOB-toloc.city_name +listflightsfromatlantatobostonleavingbetween6pmand10pmonaugusteighth OOOB-fromloc.city_nameOB-toloc.city_nameOOB-depart_time.start_timeI-depart_time.start_timeOB-depart_time.end_timeI-depart_time.end_timeOB-depart_date.month_nameB-depart_date.day_number +informationonafternoonflightsfromphiladelphiatodenver OOB-depart_time.period_of_dayOOB-fromloc.city_nameOB-toloc.city_name +greatnowwhatiwanttofindoutisonapriltwentiethfromwashingtontodenverdoyouhaveaflightleastexpensivefarearound5o'clockinthemorning OOOOOOOOOOB-depart_date.month_nameB-depart_date.day_numberOB-fromloc.city_nameOB-toloc.city_nameOOOOOB-cost_relativeI-cost_relativeOB-depart_time.time_relativeB-depart_time.timeI-depart_time.timeOOB-depart_time.period_of_day +ineedaflightfromdenvertophiladelphiaonsaturday OOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_name +showmetheflightsfromwestchestercountytocincinnati OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +whatflightsareavailablefromdenvertophiladelphiaonmonday OOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_name +whatarethecoachfaresforflightsfromnewarktolaleavingafter3pm OOOB-class_typeOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_time.time_relativeB-depart_time.timeI-depart_time.time +whatdeltaflightsflyfromwashingtontodallasinthemorning OB-airline_nameOOOB-fromloc.city_nameOB-toloc.city_nameOOB-depart_time.period_of_day +i'dliketomakeatripbetweenatlantaandbostoniwishtoknowthecheapestfare OOOOOOOOB-fromloc.city_nameOB-toloc.city_nameOOOOOB-cost_relativeO +givemethefirstflightfrombostontoatlanta OOOB-flight_modOOB-fromloc.city_nameOB-toloc.city_name +doesamericanairlinesflyfrombostontosanfrancisco OB-airline_nameI-airline_nameOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatflightsgofromdallastotampa OOOOB-fromloc.city_nameOB-toloc.city_name +thankyouialsoneedtotravelnextwednesdayeveningfromdallastosanfrancisco OOOOOOOB-depart_date.date_relativeB-depart_date.day_nameB-depart_time.period_of_dayOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +showmeairportsinwashingtondc OOOOB-city_nameB-state_code +whatisthecheapestfarefromdallastodenverroundtrip OOOB-cost_relativeOOB-fromloc.city_nameOB-toloc.city_nameB-round_tripI-round_trip +okayandonmayfouriwouldliketogofromatlantatodenverleavingearlyinthemorningaround8 OOOB-depart_date.month_nameB-depart_date.day_numberOOOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_time.period_modOOB-depart_time.period_of_dayB-depart_time.time_relativeB-depart_time.time +listtheflightsfromsanfranciscotophiladelphiaonamericanairlines OOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOB-airline_nameI-airline_name +whatdoesfarecodeqomean OOOOB-fare_basis_codeO +doyouhavean819flightfromdenvertosanfrancisco OOOOB-depart_time.timeOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatistheearliestunitedairlinesflightflyingfromdenvertobaltimoreandarrivingonjulyfourth OOOB-flight_modB-airline_nameI-airline_nameOOOB-fromloc.city_nameOB-toloc.city_nameOOOB-arrive_date.month_nameB-arrive_date.day_number +iwouldliketobookanearlymorningflightfromtampatocharlotteonaprilsixth OOOOOOB-depart_time.period_of_dayB-depart_time.period_of_dayOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +morningflightfromoaklandtodallas B-depart_time.period_of_dayOOB-fromloc.city_nameOB-toloc.city_name +showmeflightsfromnewyorktomiami OOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +listtheflightsanddeparturetimesforflightsleavingdallasfortworthforbostonafter6pm OOOOB-flight_timeI-flight_timeOOOB-fromloc.city_nameI-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameB-depart_time.time_relativeB-depart_time.timeI-depart_time.time +listflightsfrompittsburghtolosangeleswhichleaveonthursdayafter5pm OOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOOB-depart_date.day_nameB-depart_time.time_relativeB-depart_time.timeI-depart_time.time +i'dlikeaflightfrombaltimoretobostonasearlyinthemorningasican OOOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_time.period_modOOB-depart_time.period_of_dayOOO +showmeallflightsfromoaklandtophiladelphiaonsaturdaywhichserveamealandarriveinphiladelphiabeforenoon OOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameOOOB-mealOOOB-toloc.city_nameB-arrive_time.time_relativeB-arrive_time.time +iwouldliketobookaflightfromchicagotoseattleonjunefirst OOOOOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +showmeeconomyfaresfromdallastobaltimore OOB-economyOOB-fromloc.city_nameOB-toloc.city_name +pleaselistthepricesforarentalcarinpittsburgh OOOOOOB-transport_typeI-transport_typeOB-city_name +arethereanyflightsfrompittsburghtobostonthatleavebetweennoonand5o'clock OOOOOB-fromloc.city_nameOB-toloc.city_nameOOOB-depart_time.start_timeOB-depart_time.end_timeI-depart_time.end_time +dailyflightsfromnewarktoclevelanddeparting5o'clockpm B-flight_daysOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_time.timeI-depart_time.timeI-depart_time.time +showmetheflightsfrombostontooakland OOOOOB-fromloc.city_nameOB-toloc.city_name +showmetheflightsfromst.petersburgtotorontothatleavemonday OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOOB-depart_date.day_name +pleaselistallflightsbetweenbostonandatlanta OOOOOB-fromloc.city_nameOB-toloc.city_name +isthereaflightondeltaairlinesfrombostontodenver OOOOOB-airline_nameI-airline_nameOB-fromloc.city_nameOB-toloc.city_name +givemetheflightsandfaresondecembertwentyseventhfromorlandotoindianapolisairfare OOOOOOOB-depart_date.month_nameB-depart_date.day_numberI-depart_date.day_numberOB-fromloc.city_nameOB-toloc.city_nameO +givemeallnonstopsfromnewyorktovegasthatarriveonasunday OOOB-flight_stopOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOOOOB-arrive_date.day_name +whatflightsleavebostonandarriveinphiladelphiabefore7am OOOB-fromloc.city_nameOOOB-toloc.city_nameB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.time +i'dlikeaflightfrombostontosanfranciscoleavingintheafternoonanytimeplease OOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOOB-depart_time.period_of_dayOOO +flight417fromcincinnatitodallas OB-flight_numberOB-fromloc.city_nameOB-toloc.city_name +listflightsfromhoustontomemphisjunetwentyninth OOOB-fromloc.city_nameOB-toloc.city_nameB-depart_date.month_nameB-depart_date.day_numberI-depart_date.day_number +listflightsfromdallastosanfrancisco OOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +pleaserepeattheflightdeparturesformondayaugustnineteenthfromdenvertopittsburgh OOOOOOB-depart_date.day_nameB-depart_date.month_nameB-depart_date.day_numberOB-fromloc.city_nameOB-toloc.city_name +wheredoescontinentalflytofromchicago OOB-airline_nameOOOB-fromloc.city_name +whatgroundtransportationisavailablefromthedenverairporttodowntowndenver OOOOOOOB-fromloc.airport_nameI-fromloc.airport_nameOOB-toloc.city_name +fromkansascitytosaltlakecityondeltaarrivearound8pmtomorrow OB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameI-toloc.city_nameOB-airline_nameOB-arrive_time.time_relativeB-arrive_time.timeI-arrive_time.timeB-arrive_date.today_relative +isthereaflightontwafrombaltimoretosanfranciscowithastopindenver OOOOOB-airline_codeOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOOOB-stoploc.city_name +phoenixtonewarkwednesday B-fromloc.city_nameOB-toloc.city_nameB-depart_date.day_name +newarktocleveland B-fromloc.city_nameOB-toloc.city_name +whatflightsleavefromphoenix OOOOB-fromloc.city_name +flightinformationfrompittsburghtodenver OOOB-fromloc.city_nameOB-toloc.city_name +showmeflightsfromdenvertophiladelphia OOOOB-fromloc.city_nameOB-toloc.city_name +showmegroundtransportationindenver OOOOOB-city_name +whichairlinesflyfrombostontowashingtondc OOOOB-fromloc.city_nameOB-toloc.city_nameB-toloc.state_code +okayandcanyoutellmeforflightsdepartingfromdallastophiladelphiathelatestflightyouwouldhavedepartingfromdallastophiladelphia OOOOOOOOOOB-fromloc.city_nameOB-toloc.city_nameOB-flight_modOOOOOOB-fromloc.city_nameOB-toloc.city_name +showmetheflightsfrombostontodenveronaugustsecond OOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.month_nameB-depart_date.day_number +showmealltheflightsonunitedleavingfromboston OOOOOOB-airline_nameOOB-fromloc.city_name +couldyoupleasetellmethefirstflightleavingbaltimoretosanfranciscoona747onaugusttwentyseventh OOOOOOB-flight_modOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOB-aircraft_codeOB-depart_date.month_nameB-depart_date.day_numberI-depart_date.day_number +pleasegivemeflightsfromatlantatobostononwednesdayafternoonandthursdaymorning OOOOOB-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_nameB-depart_time.period_of_dayOB-depart_date.day_nameB-depart_time.period_of_day +showallflightsleavingmondaymorningfrombostontopittsburgh OOOOB-depart_date.day_nameB-depart_time.period_of_dayOB-fromloc.city_nameOB-toloc.city_name +showmethedeltaflightsfromsanfranciscotoboston OOOB-airline_nameOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_name +showmetheflightsfrombaltimoretooakland OOOOOB-fromloc.city_nameOB-toloc.city_name +whattypeofaircraftareusedonflightsfromclevelandtodallasthatleavebeforenoon OOOOOOOOOB-fromloc.city_nameOB-toloc.city_nameOOB-depart_time.time_relativeB-depart_time.time +verywelli'mworkingonscenariothreei'minterestedinaflightona727fromwashingtondctoatlantageorgia OOOOOOOOOOOOOOOOB-aircraft_codeOB-fromloc.city_nameB-fromloc.state_codeOB-toloc.city_nameB-toloc.state_name +flightfromdctosaltlakecity OOB-fromloc.state_codeOB-toloc.city_nameI-toloc.city_nameI-toloc.city_name +i'dliketomakeatripfromwashingtontosanfrancisco OOOOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +isthereanairlinethatservicesbostondcanddallas OOOOOOB-fromloc.city_nameB-fromloc.state_codeOB-fromloc.city_name +airlinethatstandsfordl OOOOB-airline_code +iwouldliketoseetheflightsfromdenvertophiladelphia OOOOOOOOB-fromloc.city_nameOB-toloc.city_name +showmethecheapestonewayflightsfrompittsburghtodallasleavingpittsburghbetweennoonand2pm OOOB-cost_relativeB-round_tripI-round_tripOOB-fromloc.city_nameOB-toloc.city_nameOB-fromloc.city_nameOB-depart_time.start_timeOB-depart_time.end_timeI-depart_time.end_time +showallflightswithfirstclassfrombaltimoretodallas OOOOB-class_typeI-class_typeOB-fromloc.city_nameOB-toloc.city_name +i'dliketheearliestflightfromdallastoboston OOOOB-flight_modOOB-fromloc.city_nameOB-toloc.city_name +whatarethecoachfaresforflightsfrompittsburghtodenver OOOB-class_typeOOOOB-fromloc.city_nameOB-toloc.city_name +whatflightscanitakebetweenbostonandatlantasothatwhenileavebostoniwillhavethemaximumamountoftimeonthegroundinatlantaandstillreturninthesameday OOOOOOB-fromloc.city_nameOB-toloc.city_nameOOOOOB-fromloc.city_nameOOOOOOOOOOOOB-toloc.city_nameOOOOOOB-return_date.date_relative +showmetheflightsfromphiladelphiatoatlantageorgia OOOOOB-fromloc.city_nameOB-toloc.city_nameB-toloc.state_name +we'regoingfromdenvertosanfrancisco OOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name +whatairlineshaveflightsfrombaltimoretoseattle OOOOOB-fromloc.city_nameOB-toloc.city_name +showmealltheflightsfrommilwaukeetoorlandothatleaveafternoononwednesdayandbeforenoononthursday OOOOOOB-fromloc.city_nameOB-toloc.city_nameOOB-depart_time.time_relativeB-depart_time.timeOB-depart_date.day_nameOB-depart_time.time_relativeB-depart_time.timeOB-depart_date.day_name +whatairlinesgotopittsburgh OOOOB-toloc.city_name +i'dliketoflyfromphiladelphiatosanfranciscowithastopoverindallas OOOOOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOOOB-stoploc.city_name +whatisthegroundtransportationavailableinthecityoffortworth OOOOOOOOOOB-city_nameI-city_name +whatareyourflightsfromdallastobaltimore OOOOOB-fromloc.city_nameOB-toloc.city_name +showmeroundtripsfromhoustontolasvegasnonstop OOB-round_tripI-round_tripOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameB-flight_stop +pleaselistallflightsfromsanfranciscotopittsburghonsunday OOOOOB-fromloc.city_nameI-fromloc.city_nameOB-toloc.city_nameOB-depart_date.day_name +iwantaflightfromphiladelphiatodallaswithastopinatlanta OOOOOB-fromloc.city_nameOB-toloc.city_nameOOOOB-stoploc.city_name +whatistheairfareforflightsfromdenvertopittsburghondeltaairline OOOOOOOB-fromloc.city_nameOB-toloc.city_nameOB-airline_nameI-airline_name +doyouhaveanyflightsfromdenvertobaltimoreviadallas OOOOOOB-fromloc.city_nameOB-toloc.city_nameOB-stoploc.city_name +whichairlinesflyintoandoutofdenver OOOOOOOB-city_name +doescontinentalflyfrombostontosanfranciscowithastopindenver OB-airline_nameOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_nameOOOOB-stoploc.city_name +isthereadeltaflightfromdenvertosanfrancisco OOOB-airline_nameOOB-fromloc.city_nameOB-toloc.city_nameI-toloc.city_name diff --git a/demo/demo4/run.py b/demo/demo4/run.py new file mode 100644 index 0000000..960ef93 --- /dev/null +++ b/demo/demo4/run.py @@ -0,0 +1,11 @@ +import paddlepalm as palm + +if __name__ == '__main__': + controller = palm.Controller('config.yaml', task_dir='tasks') + controller.load_pretrain('../../pretrain/ernie-en-uncased-large/params') + controller.train() + + controller = palm.Controller(config='config.yaml', task_dir='tasks', for_train=False) + controller.pred('atis_slot', inference_model_dir='output_model/fourthrun/atis_slot/infer_model') + + diff --git a/demo/demo4/run.sh b/demo/demo4/run.sh new file mode 100755 index 0000000..9e75bc7 --- /dev/null +++ b/demo/demo4/run.sh @@ -0,0 +1,3 @@ +export CUDA_VISIBLE_DEVICES=0 +python run.py + diff --git a/demo/demo4/tasks/atis_slot.yaml b/demo/demo4/tasks/atis_slot.yaml new file mode 100644 index 0000000..807528a --- /dev/null +++ b/demo/demo4/tasks/atis_slot.yaml @@ -0,0 +1,7 @@ +train_file: "data/atis_slot/train.tsv" +pred_file: "data/atis_slot/test.tsv" +label_map_config: "data/atis_slot/label_map.json" +reader: ner +paradigm: ner +n_classes: 130 +use_crf: true diff --git a/paddlepalm/reader/ner.py b/paddlepalm/reader/ner.py new file mode 100644 index 0000000..fe4e03f --- /dev/null +++ b/paddlepalm/reader/ner.py @@ -0,0 +1,99 @@ +# -*- coding: UTF-8 -*- +# Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +from paddlepalm.interface import reader +from paddlepalm.reader.utils.reader4ernie import SequenceLabelReader, ClassifyReader + +class Reader(reader): + + def __init__(self, config, phase='train', dev_count=1, print_prefix=''): + """ + Args: + phase: train, eval, pred + """ + + self._is_training = phase == 'train' + + reader = SequenceLabelReader(config['vocab_path'], + max_seq_len=config['max_seq_len'], + do_lower_case=config.get('do_lower_case', False), + for_cn=config.get('for_cn', False), + random_seed=config.get('seed', None), + label_map_config=config['label_map_config'] + ) + self._reader = reader + self._dev_count = dev_count + + self._batch_size = config['batch_size'] + self._max_seq_len = config['max_seq_len'] + self._num_classes = config['n_classes'] + + if phase == 'train': + self._input_file = config['train_file'] + self._num_epochs = None # 防止iteartor终止 + self._shuffle = config.get('shuffle', True) + # self._shuffle_buffer = config.get('shuffle_buffer', 5000) + elif phase == 'eval': + self._input_file = config['dev_file'] + self._num_epochs = 1 + self._shuffle = False + self._batch_size = config.get('pred_batch_size', self._batch_size) + elif phase == 'pred': + self._input_file = config['pred_file'] + self._num_epochs = 1 + self._shuffle = False + self._batch_size = config.get('pred_batch_size', self._batch_size) + + self._phase = phase + self._print_first_n = config.get('print_first_n', 0) + + + @property + def outputs_attr(self): + rets = {"token_ids": [[-1, -1], 'int64'], + "position_ids": [[-1, -1], 'int64'], + "segment_ids": [[-1, -1], 'int64'], + "task_ids": [[-1, -1], 'int64'], + "input_mask": [[-1, -1, 1], 'float32'], + "seq_lens": [[-1], 'int64'] + } + if self._is_training: + rets.update({"label_ids": [[-1, -1], 'int64']}) + return rets + + + def load_data(self): + self._data_generator = self._reader.data_generator(self._input_file, self._batch_size, self._num_epochs, dev_count=self._dev_count, shuffle=self._shuffle, phase=self._phase) + + def iterator(self): + + def list_to_dict(x): + names = ['token_ids', 'segment_ids', 'position_ids', 'task_ids', 'input_mask', + 'label_ids', 'seq_lens'] + outputs = {n: i for n,i in zip(names, x)} + if not self._is_training: + del outputs['label_ids'] + return outputs + + for batch in self._data_generator(): + yield list_to_dict(batch) + + def get_epoch_outputs(self): + return {'examples': self._reader.get_examples(self._phase), + 'features': self._reader.get_features(self._phase)} + + @property + def num_examples(self): + return self._reader.get_num_examples(phase=self._phase) diff --git a/paddlepalm/reader/utils/reader4ernie.py b/paddlepalm/reader/utils/reader4ernie.py index 115d254..8a9509a 100644 --- a/paddlepalm/reader/utils/reader4ernie.py +++ b/paddlepalm/reader/utils/reader4ernie.py @@ -615,19 +615,7 @@ class SequenceLabelReader(BaseReader): ret_labels.append(label) continue - if label == "O" or label.startswith("I-"): - ret_labels.extend([label] * len(sub_token)) - elif label.startswith("B-"): - i_label = "I-" + label[2:] - ret_labels.extend([label] + [i_label] * (len(sub_token) - 1)) - elif label.startswith("S-"): - b_laebl = "B-" + label[2:] - e_label = "E-" + label[2:] - i_label = "I-" + label[2:] - ret_labels.extend([b_laebl] + [i_label] * (len(sub_token) - 2) + [e_label]) - elif label.startswith("E-"): - i_label = "I-" + label[2:] - ret_labels.extend([i_label] * (len(sub_token) - 1) + [label]) + ret_labels.extend([label] * len(sub_token)) assert len(ret_tokens) == len(ret_labels) return ret_tokens, ret_labels @@ -646,6 +634,9 @@ class SequenceLabelReader(BaseReader): position_ids = list(range(len(token_ids))) text_type_ids = [0] * len(token_ids) no_entity_id = len(self.label_map) - 1 + labels = [ + label if label in self.label_map else u"O" for label in labels + ] label_ids = [no_entity_id] + [ self.label_map[label] for label in labels ] + [no_entity_id] diff --git a/paddlepalm/task_paradigm/ner.py b/paddlepalm/task_paradigm/ner.py new file mode 100644 index 0000000..46ddb1d --- /dev/null +++ b/paddlepalm/task_paradigm/ner.py @@ -0,0 +1,139 @@ +# -*- coding: UTF-8 -*- +# Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import paddle.fluid as fluid +from paddle.fluid import layers +from paddlepalm.interface import task_paradigm +import numpy as np +import os +import math + +class TaskParadigm(task_paradigm): + ''' + Sequence labeling + ''' + def __init__(self, config, phase, backbone_config=None): + self._is_training = phase == 'train' + self._hidden_size = backbone_config['hidden_size'] + self.num_classes = config['n_classes'] + self.learning_rate = config['learning_rate'] + + + if 'initializer_range' in config: + self._param_initializer = config['initializer_range'] + else: + self._param_initializer = fluid.initializer.TruncatedNormal( + scale=backbone_config.get('initializer_range', 0.02)) + if 'dropout_prob' in config: + self._dropout_prob = config['dropout_prob'] + else: + self._dropout_prob = backbone_config.get('hidden_dropout_prob', 0.0) + self._pred_output_path = config.get('pred_output_path', None) + self._use_crf = config.get('use_crf', False) + self._preds = [] + + + @property + def inputs_attrs(self): + reader = {} + bb = {"encoder_outputs": [[-1, -1, -1], 'float32']} + if self._use_crf: + reader["seq_lens"] = [[-1], 'int64'] + if self._is_training: + reader["label_ids"] = [[-1, -1], 'int64'] + return {'reader': reader, 'backbone': bb} + + @property + def outputs_attrs(self): + if self._is_training: + return {'loss': [[1], 'float32']} + else: + if self._use_crf: + return {'crf_decode': [[-1, -1], 'float32']} + else: + return {'logits': [[-1, -1, self.num_classes], 'float32']} + + def build(self, inputs, scope_name=''): + token_emb = inputs['backbone']['encoder_outputs'] + seq_lens = inputs['reader']['seq_lens'] + if self._is_training: + label_ids = inputs['reader']['label_ids'] + + logits = fluid.layers.fc( + size=self.num_classes, + input=token_emb, + param_attr=fluid.ParamAttr( + initializer=self._param_initializer, + regularizer=fluid.regularizer.L2DecayRegularizer( + regularization_coeff=1e-4)), + bias_attr=fluid.ParamAttr( + name=scope_name+"cls_out_b", initializer=fluid.initializer.Constant(0.)), + num_flatten_dims=2) + + # use_crf + if self._use_crf: + if self._is_training: + crf_cost = fluid.layers.linear_chain_crf( + input=logits, + label=label_ids, + param_attr=fluid.ParamAttr( + name=scope_name+'crfw', learning_rate=self.learning_rate), + length=seq_lens) + + avg_cost = fluid.layers.mean(x=crf_cost) + crf_decode = fluid.layers.crf_decoding( + input=logits, + param_attr=fluid.ParamAttr(name=scope_name+'crfw'), + length=seq_lens) + return {"loss": avg_cost} + else: + size = self.num_classes + fluid.layers.create_parameter( + shape=[size+2, size], dtype=logits.dtype, name=scope_name+'crfw') + crf_decode = fluid.layers.crf_decoding( + input=logits, param_attr=fluid.ParamAttr(name=scope_name+'crfw'), + length=seq_lens) + return {"crf_decode": crf_decode} + + else: + if self._is_training: + probs = fluid.layers.softmax(logits) + ce_loss = fluid.layers.cross_entropy( + input=probs, label=label_ids) + avg_cost = fluid.layers.mean(x=ce_loss) + return {"loss": avg_cost} + else: + return {"logits": logits} + + + + def postprocess(self, rt_outputs): + if not self._is_training: + if self._use_crf: + preds = rt_outputs['crf_decode'] + else: + logits = rt_outputs['logits'] + preds = np.argmax(logits, -1) + self._preds.extend(preds.tolist()) + + def epoch_postprocess(self, post_inputs): + # there is no post_inputs needed and not declared in epoch_inputs_attrs, hence no elements exist in post_inputs + if not self._is_training: + if self._pred_output_path is None: + raise ValueError('argument pred_output_path not found in config. Please add it into config dict/file.') + with open(os.path.join(self._pred_output_path, 'predictions.json'), 'w') as writer: + for p in self._preds: + writer.write(str(p)+'\n') + print('Predictions saved at '+os.path.join(self._pred_output_path, 'predictions.json')) -- GitLab