user_turns: <SILENCE> im looking for a restaurant in the south part of town serving korean food how about the center area <SILENCE> address and 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 ? I'm sorry but there is no korean restaurant in the south of town api_call korean R_location R_price little_seoul is a nice place in the centre of town serving tasty korean food The phone number of little_seoul is little_seoul_phone  you are welcome