user_turns: <SILENCE> im looking for a cheap restaurant south i dont care <SILENCE> do you have the address phone number its a type of food 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 part of town do you have in mind? What kind of food would you like? api_call R_cuisine R_location cheap nandos is a nice place in the south of town and the prices are cheap Sure , nandos is on nandos_address The phone number of nandos is nandos_phone nandos serves portuguese food  you are welcome