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 restaurant in the fen ditton area'
System: 'What type of food would you like? For example, American, Contemporary, or Seafood.'
User: 'i would like ec an expensive restaurant'
System: 'The Riverside Restaurant, which is in the Fen Ditton part of town, is a great restaurant. It's in the expensive price range.'
User: 'whats the address and the price'
System: 'The Riverside Restaurant is located on Cambridge Regional College, Newmarket Road. The price for main courses ranges from 21 pounds 95 to 25 pounds 95.'
User: 'thank you good bye'

Output (English): Expensive