user_turns: <SILENCE> how about korean type food i want a korean restaurant <SILENCE> what is the phone number thank you 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 greek food api_call korean R_location R_price little_seoul serves korean food The phone number of little_seoul is little_seoul_phone  you are welcome