generate response: I am sorry, poor joke. I am leaving cambridge going to bishops storford, leaving after 12:45 on thursday, need 3 tickets and ref number. Intent: book_train. Slots: train-bookpeople=3, train-day=thursday, train-departure=cambridge, train-destination=bishops stortford, train-leaveat=12:45
Response: Booking was successful, the total fee is 30.29 GBP payable at the station. Reference number is : 2WI5Y9KV . Anything else I can do?