user_turns: <SILENCE> portuguese food portuguese i dont care i dont care <SILENCE> next next anything else okay show me the address address address phone number okay 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 ? What kind of food would you like? There are restaurants serving portuguese food . What area do you want? There are restaurants serving portuguese food in any part of town . What price range would you like? api_call portuguese R_location R_price nandos_city_centre serves portuguese food nandos_city_centre is a great restaurant nandos serves portuguese food I am sorry but there is no other portuguese restaurant that matches your request nandos_city_centre serves portuguese food nandos_city_centre is a great restaurant Sure , nandos_city_centre is on nandos_city_centre_address The phone number of nandos_city_centre is nandos_city_centre_phone  you are welcome