generate response: I have no preference. I just need to book one of those for 4 people.. Intent: book_train. Slots: train-bookpeople=4, train-day=sunday, train-departure=london kings cross, train-destination=cambridge, train-leaveat=15:45
Response: OK, you have 4 seats reserved on TR2952, reference #J5O3AMV7 . Can I help you with anything else today?