user_turns: <SILENCE> i would like a cheap restaurant in the south part of town <SILENCE> south part of town address and phone number 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 ? api_call R_cuisine R_location cheap da_vinci_pizzeria is a nice restaurant in the north of town in the cheap price range nandos is a nice restaurant in the south of town in the cheap price range Sure , nandos is on nandos_address The phone number of nandos is nandos_phone  you are welcome