user_turns: <SILENCE> greek food east part of town chinese chinese food east part of town chinese oriental east part of town chinese food <SILENCE> address address phone number 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 ? There are restaurants in the east of town . What type of food do you want? I'm sorry but there is no restaurant serving greek food Could you please repeat that? I'm sorry but there is no restaurant serving greek food Could you please repeat that? api_call chinese east R_price yu_garden is a nice place in the east of town serving tasty chinese food Can I help you with anything else? Sure , yu_garden is on yu_garden_address The phone number of yu_garden is yu_garden_phone The post code of yu_garden is yu_garden_post_code  you are welcome