generate response: Sounds perfect. Please book me enough tickets for the same group of people. Thanks. Intent: book_train. Slots: train-bookpeople=4, train-day=saturday, train-departure=bishops stortford, train-destination=cambridge, train-leaveat=12:15
Response: Your train tickets are all booked! Your reference number is KOOYDYFY . Is there anything else I can help you with?