user_turns: <SILENCE> cheap restaurant doesnt matter <SILENCE> south correct <SILENCE> cheap correct <SILENCE> address phone number post code post code 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 kind of food would you like? You are looking for a restaurant serving any kind of food right? What part of town do you have in mind? Did you say you are looking for a restaurant in the south of town? You are looking for a restaurant serving any kind of food right? Would you like something in the cheap , moderate , or expensive price range? Let me confirm , You are looking for a restaurant in the cheap price range right? api_call R_cuisine south cheap the_lucky_star is a nice place in the south of town and the prices are cheap Sure , the_lucky_star is on the_lucky_star_address The phone number of the_lucky_star is the_lucky_star_phone nandos is a nice place in the south of town and the prices are cheap Sorry but there is no other restaurant in the cheap price range and the south of town  you are welcome