user_turns: <SILENCE> im looking for an expensive restaurant and it should be the east part of town any <SILENCE> whats the address phone number phone number what type of food is it 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? 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 is a great restaurant The phone number of sitar_tandoori is sitar_tandoori_phone sitar_tandoori serves indian food  you are welcome