user_turns: <SILENCE> im looking for an expensive restaurant in the south part of town any kind <SILENCE> whats the price range thank you have a good day 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 south expensive chiquito_restaurant_bar is a nice restaurant in the south of town serving mexican food chiquito_restaurant_bar is in the expensive price range chiquito_restaurant_bar is a nice restaurant in the south of town in the expensive price range  you are welcome