Where would you like to travel to ?
I would like to catch a train leaving Cambridge on Sunday. I need to get to Leicester on Sunday.
{"__type": "Request", "service": "train", "values": ["destination"]}
{"__type": "Inform", "entity": {"__type": "Train", "choice": "19"}} {"__type": "Request", "service": "train", "values": ["arrive by", "leave at"]}
There are 19 trains do you have a time you'd like to travel?