generate response: 3 people, please. And if I can also get the reference number.. Intent: book_train. Slots: train-bookpeople=3, train-day=sunday, train-departure=cambridge, train-destination=london liverpool street, train-leaveat=11:15
Response: I have booked 3 tickets on the TR9025 train leaving at 11:59. Your Reference number is : 9JASQYBJ . Will that be all today?