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 a traditional restaurant in the expensive price range'
System: 'What part of town do you have in mind? For example, something in the Barnwell, Castle Hill, or Fen Ditton area.'
User: 'i dont care'
System: 'The Granta Bar, which serves traditional food, is an outstanding restaurant. It's in the expensive price range.'
User: 'what is the address'
System: 'The Granta Bar is on University Centre, Granta Place. The price for main courses ranges from 14 pounds 95 to 16 pounds 95.'
User: 'what is the phone number'
System: 'The phone number of the Granta Bar is 01223902174.'
User: 'what is the area'
System: 'The Granta Bar is in the riverside part of town.'
User: 'thank you good bye'

Output (English): Expensive