user_turns: <SILENCE> how about korean food how about korean food no korean food <SILENCE> what is little_seouls 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 ? I'm sorry but there is no restaurant serving tuscan food You are looking for a tuscan restaurant right? I'm sorry but there is no restaurant serving tuscan 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