user_turns: <SILENCE> im looking for an expensive restaurant in the east town i dont care <SILENCE> what kind of food is there what kind of food what is the address thank you good bye
system_turns: Hello , welcome to the Cambridge restaurant system . You can ask for restaurants by area , price range or food type . How may I help you ? What kind of food would you like? api_call R_cuisine east expensive grafton_hotel_restaurant is a nice place in the east of town and the prices are expensive grafton_hotel_restaurant is a great restaurant grafton_hotel_restaurant serves british food Sure , grafton_hotel_restaurant is on grafton_hotel_restaurant_address  you are welcome