user_turns: <SILENCE> i would like to find an expensive restaurant in the south part of town i do not care <SILENCE> what type of food do they serve 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 frankie_and_bennys is a nice place in the south of town and the prices are expensive frankie_and_bennys serves italian food  you are welcome