user_turns: <SILENCE> im looking for an expensive restaurant in the south part of town it doesnt matter <SILENCE> uh phone number phone number 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 chiquito_restaurant_bar is a nice place in the south of town and the prices are expensive chiquito_restaurant_bar is a great restaurant The phone number of chiquito_restaurant_bar is chiquito_restaurant_bar_phone  you are welcome