generate response: I'd like to book that one for 2 people. I will need the reference number, please.. Intent: book_train. Slots: train-bookpeople=2, train-day=sunday, train-departure=bishops stortford, train-destination=cambridge, train-leaveat=09:30, 9:30
Response: Great, I was able to book you. The total fee is 16.16 GBP payable at the station and the reference number is : P4JWINQA .