user_turns: <SILENCE> a restaurant in the east part of town that serves caribbean food <SILENCE> caribbean food chinese food chinese food chinese food
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 ? api_call R_cuisine east R_price pizza_hut_fen_ditton is a nice place in the east of town I'm sorry but there is no restaurant serving caribbean food Sorry I am a bit confused ; please tell me again what you are looking for . pizza_hut_fen_ditton is a great restaurant  you are welcome