user_turns: <SILENCE> i want a polynesian restaurant in the west part of town how about portuguese <SILENCE> how about one that serves portuguese food <SILENCE> whats the phone number and address whats the address 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 polynesian food api_call polynesian west R_price pizza_hut_cherry_hinton is a nice place in the south of town api_call portuguese R_location R_price nandos is a nice place in the south of town serving tasty portuguese food The phone number of nandos is nandos_phone Sure , nandos is on nandos_address  you are welcome