user_turns: <SILENCE> looking for a cheap restaurant in the south part of town south i dont care cheap <SILENCE> anything else may i have the address and the type of food and what 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 ? What part of town do you have in mind? What kind of food would you like? Would you like something in the cheap , moderate , or expensive price range? api_call R_cuisine south cheap 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 Sure , nandos is on nandos_address nandos serves portuguese food  you are welcome