generate response: Just pick one in the same area as Queens' College, and can you book a table for 1 at 18:30 on Saturday please?. Intent: book_restaurant. Slots: restaurant-area=west, restaurant-bookday=saturday, restaurant-bookpeople=1, restaurant-booktime=18:30, restaurant-pricerange=expensive
Response: How about Graffiti? It's an expensive restaurant that serves British food in the west area.