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: 'i want to find an expensive restaurant'
System: 'What type of food would you like? For example, Chinese, Indian, or Vegetarian.'
User: 'and it should be in the fen ditton area'
System: 'The Oak Bistro, which is in the Trumpington part of town, is a great restaurant. It's in the expensive price range.'
User: 'i dont care'
System: 'The Oak Bistro, which is in the Trumpington part of town, is a great restaurant. It's in the expensive price range.'
User: 'can i get the address and the price'
System: 'The Oak Bistro is on 6 Lensfield Road. The price for main courses ranges from 11 pounds 50 to 17 pounds 75.'
User: 'can i get'
System: 'The Oak Bistro is an outstanding restaurant.'
User: 'thank you good bye'

Output (English): Expensive