I can absolutely help you, but let's get some more information so we can book your ticket. What day and time would you like to leave?
I need to take a train from cambridge to ely. I'd like to travel on Monday, any time after 14:00 please.
{"__type": "Request", "service": "train", "values": ["day", "leave at"]}
{"__type": "Inform", "entity": {"__type": "Train", "leave at": "15:50", "trainid": "TR7177"}}
How about train TR7177? It leaves at 15:50