user_turns: <SILENCE> cheap restaurant dont know dont care south south yes <SILENCE> phone number phone number type of food 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 ? There are restaurants in the cheap price range . What type of food do you want? What kind of food would you like? There are restaurants serving any kind of food in the cheap price range . What area would you like? What part of town do you have in mind? Did you say you are looking for a restaurant in the south of town? api_call R_cuisine R_location cheap nandos is a nice place in the south of town and the prices are cheap nandos is a great restaurant The phone number of nandos is nandos_phone nandos is a great restaurant nandos serves portuguese food  you are welcome