user_turns: <SILENCE> im looking for a restaurant in the north part of town that serves korean food <SILENCE> what about any area whats the address whats the price range 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 ? api_call korean R_location R_price Sorry there is no korean restaurant in the north of town little_seoul is a nice restaurant in the centre of town serving korean food Sure , little_seoul is on little_seoul_address little_seoul is in the expensive price range  you are welcome