user_turns: <SILENCE> expensive restaurant east any <SILENCE> anything else food food phone number phone number type of food thank you goodbye
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? api_call R_cuisine east expensive sitar_tandoori is a nice place in the east of town and the prices are expensive pipasha_restaurant is a nice place in the east of town and the prices are expensive yu_garden is a nice place in the east of town and the prices are expensive royal_standard is a nice place in the east of town and the prices are expensive royal_standard is a great restaurant The phone number of royal_standard is royal_standard_phone royal_standard serves gastropub food  you are welcome