Task: Dialogue State Tracking
Input (English): 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: 'background noise'
System: 'What kind of price range are you looking for? For example, expensive, or free.'
User: 'moderate'
System: 'What kind of price range are you looking for? For example, free, or moderate.'
User: 'moderate'
System: 'What kind of venue are you looking for? For example, a pub, or a restaurant.'
User: 'a cafe food restaurant'
System: 'What kind of price range are you looking for? For example, cheap, free, or moderate.'
User: 'moderate'
System: 'Carringtons serves cafe food and english food. This place, which is a great cafe and an outstanding restaurant, is in the moderate price range.'
User: 'and the price'
System: 'Carringtons is an outstanding venue. The price for main courses ranges from 4 pounds 25 to 6 pounds 25 and the price for a cappuccino is 1 pound 95.'
User: 'and the phone number'
System: 'The phone number of Carringtons is 01223361792.'
User: 'ok thank you good bye'

Output (English): Moderate