user_turns: <SILENCE> im looking for a restaurant in the south part of town and it should serve canapes food canape um portuguese food portuguese food the south part of town <SILENCE> whats the phone number 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 ? What kind of food would you like? I'm sorry but there is no restaurant serving canapes food Could you please repeat that? There are restaurants serving portuguese food . What area do you want? 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