To better help you find the right train, what day are you wanting to travel on? The train TR7457 meets your specifications. How many tickets would you like?
I need a train from cambridge to leicester. I need to travel on Saturday and I need to arrive by 19:15. What time does that train depart from cambridge?
{"__type": "Inform", "entity": {"__type": "Train", "trainid": "TR7457"}} {"__type": "Request", "service": "train", "values": ["book people"]}
{"__type": "Inform", "entity": {"__type": "Train", "arrive by": "7:06", "choice": "many", "destination": "cambridge", "trainid": "TR7457"}}
TR7457 will arrive in cambridge at 7:06. There are many later trains that will arrive before your specified time, as well, if you prefer to travel later.