user_turns: <SILENCE> im searching for a restaurant in the south part of town that serves british food is there a chinese restaurant correct moderate is there one in the cheap price range is there a chinese restaurant in the cheap price range <SILENCE> what is its 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 south of town . What type of food do you want? I'm sorry but there is no british restaurant in the south of town Could you please repeat that? Did you say you are looking for a restaurant in the south of town? There are restaurants serving chinese in the south of town . What price range would you like? I'm sorry but there is no chinese restaurant in the south of town and the moderate price range Could you please repeat that? api_call chinese south cheap the_lucky_star is a great restaurant serving cheap chinese food in the south of town . Sure , the_lucky_star is on the_lucky_star_address  you are welcome