generate response: Could you find another cheap Vietnamese restaurant on the west side of town?. Intent: book_restaurant. Slots: restaurant-area=west, restaurant-bookday=sunday, restaurant-bookpeople=1, restaurant-booktime=20:00, 8:00 p.m., restaurant-food=vietnamese, restaurant-name=thanh binh, restaurant-pricerange=cheap
Response: I'm sorry thanh binh is the only restaurant serving vietnamese food in the west in the cheap price range. Would you like to try a different time?