user_turns: <SILENCE> expensive restaurant south part of town yes address 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 . What type of food do you want? You are looking for a restaurant serving any kind of food right? the good luck chinese food takeaway is a nice place in the south of town and the prices are expensive Sure , the good luck chinese food takeaway is on the_good_luck_chinese_food_takeaway_address  you are welcome