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: 'im looking for an expensive restaurant in the romsey area'
System: 'The Backstreet Bistro, which is in the Romsey part of town, is an outstanding restaurant. It's in the expensive price range.'
User: 'background noise'
System: 'What part of town do you have in mind? For example, something in the Cherry Hinton, Fen Ditton, or Newnham area.'
User: 'the romsey area'
System: 'The Backstreet Bistro, which is in the Romsey part of town, is an outstanding restaurant. It's in the expensive price range.'
User: 'i need the phone number and postcode'
System: 'The phone number of the Backstreet Bistro is 01223306306. It's in the area with the postcode CB1 2QA.'
User: 'thank you good bye'

Output (English): Expensive