user_turns: <SILENCE> i want a restaurant in the that serves belgium food how about korean food korean <SILENCE> is it in the center what is the address what is the phone number <SILENCE> 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 Sorry would you like korean or belgian food? api_call korean R_location R_price little_seoul serves korean food little_seoul is a great restaurant Sure , little_seoul is on little_seoul_address The phone number of little_seoul is little_seoul_phone little_seoul is a great restaurant  you are welcome