I have a train from liverpool street arriving in Cambridge on Friday, it would arrive a little early at 15:07. Does this work for you?
I'm looking for a train that arrives in cambridge by 16:00. No. I need a train that departs Bishops Stortford on Wednesday, please.
{"__type": "Inform", "entity": {"__type": "Train", "arrive by": "15:07", "day": "Friday", "departure": "liverpool", "destination": "Cambridge"}} {"__type": "Confirm", "entity": {"__type": "Train"}}
{"__type": "Inform", "entity": {"__type": "Train", "choice": "five"}} {"__type": "Request", "service": "train", "values": ["leave at"]}
Alright I found five. When would you like to leave by?