generate response: That sounds perfect, can you book my same group some tickets?. Intent: book_train. Slots: train-bookpeople=4, train-day=monday, train-departure=cambridge, train-destination=stansted airport, train-leaveat=08:30, 8:30
Response: Train TR0797 is booked for 4. Your reference number is O925IZ27 and the total cost payable at the station is 40.4.