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: 'breathing'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or moderate.'
User: 'expensive restaurant'
System: 'Are you looking for somewhere near a particular venue? For example, Corpus Christi, Old Schools, or the Ruskin Gallery.'
User: 'romsey area'
System: 'What part of town do you have in mind? For example, something in the Barnwell, Chesterton, or riverside area.'
User: 'romsey are'
System: 'Are you looking for a venue in the Girton or Romsey area?'
User: 'romsey'
System: 'The Backstreet Bistro, which is in the Romsey part of town, is a great restaurant. It's in the expensive price range.'
User: 'background noise'
System: 'The Backstreet Bistro, which is in the Romsey part of town, is a great restaurant. It's in the expensive price range.'
User: 'phone number and postcode'
System: 'The phone number of the Backstreet Bistro is 01223306306 and it's in the area with the postcode CB1 2QA.'
User: 'phone number and postcode'
System: 'The phone number of the Backstreet Bistro is 01223306306 and it's in the area with the postcode CB1 2QA.'
User: 'thank you good bye'

Output (English): Expensive