generate response: Yes please, for 4 people. How about the TR8167 please.. Intent: book_train. Slots: train-bookpeople=4, train-day=monday, train-departure=bishops stortford, train-destination=cambridge, train-leaveat=19:30
Response: Oh! It looks like we've already booked Train TR8167 for your group of 4. Your reference number is H4BIFD0U . Is there anything else I can help you with today?