hi , i am looking for information on a train . i would like to go to cambridge and will be departing from peterborough .
you came to the right place ! where would you like to go ?
{'service': 'train', 'act': 'request', 'slot_name': 'leave', 'value': '?'} {'service': 'train', 'act': 'request', 'slot_name': 'arrive', 'value': '?'}
what time would you like to leave or arrive by ?