And what is your destination please? I have three trains matching your preferences. Would you like me to book TR6037 that leaves at 19:59?
I need a train from Cambridge leaving after 18:30 in the evening please. London liverpool street. I need the train for wednesday. Yes, that should be fine, can you tell me how long is the travel time?
{"__type": "Inform", "entity": {"__type": "Train", "choice": "three"}} {"__type": "Confirm", "entity": {"__type": "Train", "leave at": "19:59", "trainid": "TR6037"}}
{"__type": "Inform", "entity": {"__type": "Train", "duration": "88 minutes"}} {"__type": "Request", "service": "train", "values": ["book people"]}
The duration is 88 minutes. How many tickets would you like to book?