user_turns: <SILENCE> how about korean food korean food <SILENCE> what is the address and price range what is the 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 restaurant serving belgian food api_call korean R_location R_price little_seoul serves korean food little_seoul is on little_seoul_address little_seoul is a great restaurant  you are welcome