user_turns: <SILENCE> <SILENCE> <SILENCE> im looking for a cheap restaurant in the <SILENCE> im looking for a cheap restaurant in the south <SILENCE> whats the address and phone number please 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 The price range at thanh_binh is cheap . api_call R_cuisine R_location cheap 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