System: 'Thank you for calling the Cambridge Information system. Your call will be recorded for research purposes. You may ask for information about a place to eat, such as a restaurant, a pub, or a cafe. How may I help you?'
User: 'i would like to find a greek restaurant i need the phone number and the price'
System: 'What kind of price range are you looking for? For example, free, or moderate.'
User: 'i dont care about the price range'
System: 'What kind of price range are you looking for? For example, cheap, or moderate.'
User: 'i dont care about the price range'
System: 'What kind of price range are you looking for? For example, expensive, or free.'
User: 'any'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or free.'
User: 'none'
System: 'What kind of price range are you looking for? For example, expensive, or moderate.'
User: 'free'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or moderate.'
User: 'free'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or moderate.'
User: 'thank you goodbye'
