user_turns: <SILENCE> i would like a restaurant in the south part of town how about portuguese food how about portuguese good <SILENCE> what is the phone number what is the address thank you goodbye
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 ? There are restaurants in the south of town . What type of food do you want? I'm sorry but there is no restaurant serving cuban food 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