user_turns: <SILENCE> <SILENCE> yes yes cheap south <SILENCE> address phone number 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? You are looking for a restaurant serving any kind of food right? Would you like something in the cheap , moderate , or expensive price range? There are restaurants serving any kind of food in the cheap price range . What area 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  you are welcome