user_turns: <SILENCE> i want to find an expensive restaurant that serves vegetarian food <SILENCE> how about korean food <SILENCE> can i get the address and area of the venue and the area 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 ? api_call vegetarian R_location expensive Sorry there is no vegetarian restaurant in the expensive price range api_call korean R_location expensive little_seoul is a great restaurant serving korean food and it is in the expensive price range Sure , little_seoul is on little_seoul_address little_seoul is a nice place in the centre of town  you are welcome