user_turns: <SILENCE> im looking for a restaurant in the center part of town that serves food <SILENCE> uh what about food restaurants <SILENCE> 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 R_cuisine R_location R_price little_seoul serves korean food I am sorry but there is no other korean restaurant that matches your request api_call korean R_location R_price little_seoul serves korean food  you are welcome