user_turns: <SILENCE> im looking for an expensive restaurant that serves korean korean <SILENCE> address and the post code 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 ? There are restaurants in the expensive price range . What type of food do you want? api_call korean R_location expensive little_seoul serves korean food Sure , little_seoul is on little_seoul_address The post code of little_seoul is little_seoul_post_code  you are welcome