From which departure site, please? There are 14 trains that fit your needs. The first leaves at 5:21 and the latest leaves at 18:21. Would you like me to get a ticket for you?
Find a train to leicester that arrives by 21:00. The train will be leaving Cambridge on Thursday. Yes, I need 4 tickets.
{"__type": "Inform", "entity": {"__type": "Train", "choice": "14", "leave at": "latest leaves at 18:21"}} {"__type": "Confirm", "entity": {"__type": "Train"}}
{"__type": "NotifySuccess", "service": "train", "entity": {"__type": "Train", "price": "151.19 GBP", "ref": "DMK0CENV"}} {"__type": "RequestAlternatives"}
Booking was successful, the total fee is 151.19 GBP payable at the station. Reference number is : DMK0CENV . Do you need anything else?