user_turns: <SILENCE> expensive east anything expensive <SILENCE> address 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? You are looking for a restaurant serving any kind of food right? api_call R_cuisine east expensive sitar_tandoori is a nice place in the east of town and the prices are expensive Sure , sitar_tandoori is on sitar_tandoori_address sitar_tandoori serves indian food  you are welcome