generate response: that is fine . book for me for 1 person and give me the reference number. Intent: book_train. Slots: train-bookpeople=1, train-day=sunday, train-departure=cambridge, train-destination=stansted airport, train-leaveat=10:00
Response: Booking was successful, the total fee is 8.08 GBP payable at the station. Reference number is : HHOFT8ZU .