user_turns: <SILENCE> kosher for in the central <SILENCE> korean food <SILENCE> address 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 ? api_call kosher R_location R_price Sorry there is no kosher restaurant in the centre of town api_call korean R_location R_price little_seoul is a nice restaurant in the centre of town serving korean food Sure , little_seoul is on little_seoul_address The phone number of little_seoul is little_seoul_phone  you are welcome