generate response: That would be great. I will need 7 tickets booked please.. Intent: book_train. Slots: train-arriveby=14:15, train-bookpeople=7, train-day=sunday, train-departure=birmingham new street, train-destination=cambridge
Response: Booking was successful, the total fee is 420.56 GBP payable at the station . Reference number is : UI1LGPAY .