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 with an expensive price range'
System: 'The Riverside Restaurant is a great restaurant. It serves traditional food. It's in the expensive price range.'
User: 'sil'
System: 'The Riverside Restaurant, which serves traditional food, is an outstanding restaurant. It's in the expensive price range.'
User: 'i need the know the address and the area'
System: 'The Riverside Restaurant is on University Centre, Granta Place. Its phone number is 01223902174. The price for main courses ranges from 14 pounds 95 to 16 pounds 95.'
User: 'can i have the address'
System: 'The Granta Bar is on University Centre, Granta Place.'
User: 'can i have information about the area'
System: 'The Granta Bar is an outstanding restaurant.'
User: 'thank you good bye'

Output (English): Expensive