generate response: Yes, I need a booking 3 people and the reference number.. Intent: book_train. Slots: train-arriveby=10:00, train-bookpeople=3, train-day=sunday, train-departure=broxbourne, train-destination=cambridge
Response: Booking was successful, the total fee is 42.96 GBP payable at the station. Reference number is : JY9BZKAV .