user_turns: <SILENCE> moderately priced restaurant any south <SILENCE> 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? What part of town do you have in mind? api_call R_cuisine south moderate pizza_hut_fen_ditton is a great restaurant serving italian food and it is in the moderate price range  you are welcome