i want a train going to cambridge . i am departing from ely on wednesday . i want to go to cambridge , leave after 17:00 . yes , please . i will need the reference number
where are you leaving from and what day ? what time would you need to arrive ? i have quite a few options to choose from . train tr8610 is departing from ely to cambridge . it is leaving wednesday at 17:35 . the price per ticket is 4.40 pounds . should i book it for you ?
{'service': 'train', 'act': 'request', 'slot_name': 'people', 'value': '?'}
okay , can you please tell me how many people are in your party ?