generate response: Actually, sorry. Do cancel the other booking because I didn't ask for it. Make the booking for 7 people on a train leaving after 15:45 from norwich to cambridge on tuesday. Intent: book_train. Slots: train-bookpeople=7, train-day=tuesday, train-departure=norwich, train-destination=cambridge, train-leaveat=15:45
Response: Your tickets have been booked. Your new reference number is 8XIKH0Z9 .