user_turns: <SILENCE> im looking for a cheap restaurant that serves brazilian how about portuguese food yes i dont care <SILENCE> whats their 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 brazilian food You are looking for a portuguese restaurant right? There are restaurants serving portuguese in the cheap price range . What area would you like? api_call brazilian R_location cheap nandos_city_centre serves portuguese food in the cheap price range Sure , nandos_city_centre is on nandos_city_centre_address  you are welcome