generate response: Great! Can you book for 4 people, please? I'll need the reference number.. Intent: book_train. Slots: train-bookpeople=4, train-day=tuesday, train-departure=birmingham new street, train-destination=cambridge, train-leaveat=18:30
Response: Absolutely. Four tickets have been booked for this route and your reference number is 6YC0WN0E . Is there anything else I can help you with?