user_turns: <SILENCE> expensive restaurant south part of town any <SILENCE> 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 ? There are restaurants in the expensive price range and the south of town . What type of food would you like? api_call R_cuisine south expensive peking_restaurant is a nice place in the south of town and the prices are expensive Sure , peking_restaurant is on peking_restaurant_address  you are welcome