generate response: Book it for 4 people, yes. I need the reference number too.. Intent: book_train. Slots: train-bookpeople=4, train-day=saturday, train-departure=cambridge, train-destination=peterborough, train-leaveat=20:30
Response: I was able to book those 4 tickets for you. Your reference number is 3E8ZH4KO . Is there anything else I can help you with today?