generate response: What expensive restaurants are in the East part of town?. Intent: book_hotel. Slots: restaurant-area=east, restaurant-pricerange=expensive, hotel-area=east, hotel-bookday=monday, hotel-bookpeople=2, hotel-bookstay=4, hotel-name=autumn house, hotel-pricerange=cheap, hotel-stars=5, hotel-type=hotel
Response: There is Yu Garden and Royal Standard.