user_turns: <SILENCE> how about an expensive restaurant that serves european food how about european food <SILENCE> uh whats the address whats the phone number what area is it 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 ? I'm sorry but there is no restaurant serving afghan food api_call R_cuisine R_location expensive midsummer_house_restaurant is in the expensive price range Sure , midsummer_house_restaurant is on midsummer_house_restaurant_address The phone number of midsummer_house_restaurant is midsummer_house_restaurant_phone midsummer_house_restaurant is a nice place in the centre of town  you are welcome