user_turns: <SILENCE> south part of town expensive dont care <SILENCE> what is the address and post code 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 ? Would you like something in the cheap , moderate , or expensive price range? What kind of food would you like? api_call R_cuisine south expensive chiquito_restaurant_bar is a nice restaurant in the south of town serving mexican food chiquito_restaurant_bar is on chiquito_restaurant_bar_address  you are welcome