hello , i need a train on wednesday arriving at 14:30 . i am departing from cambridge and going to leicester and i need to arrive by 14:30 .
ok , i can help you with that . where will you be departing from ?
{'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': '09:21'} {'service': 'train', 'act': 'inform', 'slot_name': 'id', 'value': 'tr2176'} {'service': 'train', 'act': 'offerbook', 'slot_name': 'none', 'value': 'none'}
tr2176 leaves at 09:21 . can i book for you ?