generate response: I need the postcode, hotel type, and price range for The Cambridge Belfry.. Intent: find_train. Slots: hotel-internet=yes, hotel-name=cambridge belfry, hotel-parking=yes, hotel-stars=4, hotel-type=hotel, train-day=saturday, train-departure=cambridge, train-destination=kings lynn, train-leaveat=16:30
Response: the postcode is cb236bw. it is a hotel in the cheap price range. when would you like to stay from, how many people, and for how long?