Yes I can. First please tell me your departure location.
Yes, please I need to book a train to Cambridge that should arrive by 20:45 on Wednesday. Can you book it for me? I would leave from stanstedt airport.
{"__type": "Request", "service": "train", "values": ["departure"]} {"__type": "Greeting"}
{"__type": "Inform", "entity": {"__type": "Train", "leave at": "05:24", "trainid": "TR5910"}}
Okay, how about TR5910 that leaves at 05:24?