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: 'Let me confirm. You don't care about children and you are looking for a venue.'
User: 'expensive restaurant'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or free.'
User: 'expensive'
System: 'What type of food would you like? For example, East asian, Northern european, or Seafood.'
User: 'i dont care'
System: 'Can I help you with anything else?'
User: 'venue'
System: 'There is no restaurant in the Newnham area in the expensive price range.'
User: 'in the trumpington area'
System: 'Would you like an expensive price range, or you don't care?'
User: 'expensive'
System: 'Are you looking for somewhere near a particular venue? For example, the Botanic Garden, Clare Hall, or Queens' College.'
User: 'no'
System: 'The Oak Bistro, which is in the Trumpington part of town, is an outstanding restaurant. It's in the expensive price range.'
User: 'address and price'
System: 'The Oak Bistro is located on 6 Lensfield Road. The price for main courses ranges from 11 pounds 50 to 17 pounds 75.'
User: 'thank you good bye'

Output (English): Expensive