There are 1414 trains heading to cambridge, what is your departure location?
I'm looking for train going to Cambridge. I'd like to leave from Bishops Stortford.
{"__type": "Inform", "entity": {"__type": "Train", "choice": "1414", "destination": "cambridge"}} {"__type": "Request", "service": "train", "values": ["departure"]}
{"__type": "Request", "service": "train", "values": ["day", "leave at"]}
To narrow down the results, please tell me what day and time you would like to depart.