user_turns: <SILENCE> expensive restaurant serving world food <SILENCE> whats the address phone number area area what 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 R_cuisine R_location expensive caffe_uno is in the expensive price range Sure , caffe_uno is on caffe_uno_address The phone number of caffe_uno is caffe_uno_phone caffe_uno is a great restaurant kymmoy is in the expensive price range kymmoy is a nice place in the centre of town  you are welcome