user_turns: <SILENCE> looking for a cheap restaurant in the east part of town i dont care i dont care <SILENCE> whats the phone number for that place 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? There are restaurants in the east of town serving any kind of food . What price range would you like? api_call R_cuisine east R_price royal_standard is a nice place in the east of town The phone number of royal_standard is royal_standard_phone  you are welcome