user_turns: <SILENCE> looking for a restaurant in the south part of town eritrean food yes expensive <SILENCE> okay thank you 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 south of town . What type of food do you want? You are looking for a restaurant serving any kind of food right? Would you like something in the cheap , moderate , or expensive price range? api_call R_cuisine south expensive chiquito_restaurant_bar is a nice place in the south of town and the prices are expensive  you are welcome