generate response: I would like to eat at and expensive gastropub type restaurant. Can you give me the phone number of a place that fits this description?. Intent: find_restaurant. Slots: restaurant-area=centre, restaurant-food=gastropub, restaurant-pricerange=expensive
Response: The Slug and Lettuce is a gastropub in that area. Their number is not provided, but the address is 34-35 Green Street. Would you like to make a reservation?