generate response: Yes, I need three tickets and a reference number, and I would also need a guesthouse with free parking.. Intent: find_train. Slots: hotel-parking=yes, hotel-type=guesthouse, train-arriveby=19:45, train-day=wednesday, train-departure=cambridge, train-destination=broxbourne
Response: There are 21 guesthouses of that type in Cambridge. Is there an area or price range you would prefer?