generate response: Yes, can you book it for 3 people and get me the reference number?. Intent: book_train. Slots: train-arriveby=12:00, train-bookpeople=3, train-day=sunday, train-departure=cambridge, train-destination=broxbourne
Response: Booking was successful, the total fee is 42.96 GBP payable at the station . Reference number is : IRD8RUWO . Do you need help with anything else?