generate response: Are there any in the north, and in a moderate price range?. Intent: find_train. Slots: hotel-area=north, hotel-pricerange=moderate, hotel-stars=4, hotel-type=guesthouse, train-arriveby=13:30, train-day=friday, train-departure=cambridge, train-destination=london kings cross, train-leaveat=11:00
Response: Yes, we have 7 hotels matching your request. Is parking a necessity?