What is your departure site and preferred day and time of departure?
I want a train that is going to cambridge. I would like to leave on saturday from stevenage.
{"__type": "Request", "service": "train", "values": ["day", "departure", "leave at"]}
{"__type": "Inform", "entity": {"__type": "Train", "choice": "10", "day": "Saturday", "departure": "Stevenage", "destination": "Cambridge"}} {"__type": "Request", "service": "train", "values": ["arrive by", "leave at"]}
I have 10 trains on Saturday going to Cambridge from Stevenage. What time would you like to depart or arrive?