Where would you like to leave from?
I am looking for a train to cambridge that arrives by 16:45 on monday. I want to leave from the birmingham new street station.
{"__type": "Request", "service": "train", "values": ["departure"]}
{"__type": "Inform", "entity": {"__type": "Train", "trainid": "TR3387"}} {"__type": "Confirm", "entity": {"__type": "Train"}}
TR3387 will get you there in time. Would you like me to book it for you?