user_turns: <SILENCE> i would like a restaurant that serves korean food i would like a restaurant that serves korean food korean <SILENCE> could i have the address please 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 corsica food Sorry would you like korean or corsica food? api_call korean R_location R_price little_seoul serves korean food Sure , little_seoul is on little_seoul_address  you are welcome