user_turns: <SILENCE> i need a restaurant in the east part of town that serves world food i need a restaurant in the east part of town serving indian food yes any im looking for an indian restaurant in the east of town any 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 ? I'm sorry but there is no restaurant serving world food You are looking for a indian restaurant right? There are restaurants serving indian in the east of town . What price range would you like? I'm sorry but there is no spanish restaurant in the east of town You are looking for a indian restaurant right? Would you like something in the cheap , moderate , or expensive price range?  you are welcome