user_turns: <SILENCE> <SILENCE> cheap restaurant south part of town any type <SILENCE> phone number type of food they served food type nandos restaurant type of food what type of food is served 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 south cheap nandos is a nice place in the south of town and the prices are cheap The phone number of nandos is nandos_phone nandos is a great restaurant the_lucky_star is a nice place in the south of town and the prices are cheap nandos is a nice place in the south of town and the prices are cheap nandos serves portuguese food  you are welcome