I can book you one that leaves at 05:00 and you will arrive by 05:51 will that be alright?
I need to find a train out of Cambridge this Friday. No, I need a train that leaves after 17:15 that goes to broxbourne.
{"__type": "Inform", "entity": {"__type": "Train", "arrive by": "05:51", "leave at": "05:00"}} {"__type": "Confirm", "entity": {"__type": "Train"}}
{"__type": "Inform", "entity": {"__type": "Train", "choice": "5", "leave at": "18:01"}} {"__type": "Confirm", "entity": {"__type": "Train"}}
There are 5 trains that meet those criteria. One leaves at 18:01. Want to book it?