At the train station of course, what date and time would you need to leave?
Where is the train that leaves Cambridge to Londons Kings Cross? I will be leaving on Thursday.
{"__type": "Request", "service": "train", "values": ["day", "leave at"]}
{"__type": "Inform", "entity": {"__type": "Train", "day": "Thursday", "leave at": "every 2 hours starting at 5:00"}} {"__type": "Request", "service": "train", "values": ["leave at"]}
There are trains leaving Thursday every 2 hours starting at 5:00. What time would you like to travel?