user_turns: <SILENCE> expensive restaurant serving portuguese food i dont care portuguese how about korean food uh korean food yes <SILENCE> address area what area is it in 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 ? What part of town do you have in mind? What kind of food would you like? You are looking for a portuguese restaurant right? I'm sorry but there is no restaurant serving expensive portuguese food You are looking for a korean restaurant right? api_call korean R_location expensive little_seoul serves korean food in the expensive price range Sure , little_seoul is on little_seoul_address little_seoul is a great restaurant little_seoul is a nice place in the centre of town  you are welcome