i would like to book a train from cambridge on thursday . i would like to go to norwich .
there are 202 trains leaving from cambridge that day . where would you like to travel to ?
{'service': 'train', 'act': 'inform', 'slot_name': 'day', 'value': 'thursday'} {'service': 'train', 'act': 'inform', 'slot_name': 'choice', 'value': '19'} {'service': 'train', 'act': 'request', 'slot_name': 'leave', 'value': '?'}
there are 19 trains available on thursday . what time would you like to travel ?