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: 'restaurant'
System: 'What kind of price range are you looking for? For example, cheap, or moderate.'
User: 'moderate'
System: 'What type of food would you like? For example, Chinese take away, Indian, or Turkish.'
User: 'indian'
System: 'What type of food would you like? For example, Chinese take away, Greek, or Indian.'
User: 'greek'
System: 'The Eraina Taverna, which serves greek food, is an outstanding restaurant. It's in the moderate price range.'
User: 'kings hedges area'
System: 'There is no restaurant in the King's Hedges area and serving greek food.'
User: 'turkish food'
System: 'There is no restaurant in the King's Hedges area and serving turkish food.'
User: 'traditional food'
System: 'Would you like a king's hedges area, or you don't care?'
User: 'kingss hedges area'
System: 'There is no restaurant in the King's Hedges area and serving traditional food.'
User: 'thank you good bye'
