user_turns: <SILENCE> korean food korean food expensive expensive expensive korean food expensive <SILENCE> phone number 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 moderate korean food Sorry would you like something in the expensive price range or in the moderate price range Did you say you are looking for a restaurant in the centre of town? Sorry would you like something in the expensive price range or in the moderate price range api_call korean R_location expensive little_seoul is a great restaurant serving expensive korean food in the centre of town . little_seoul is a great restaurant The phone number of little_seoul is little_seoul_phone  you are welcome