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 unintelligible and it should have a expensive price range'
System: 'What type of food would you like? For example, Chinese, Continental, or Turkish.'
User: 'english'
System: 'The Backstreet Bistro is a great restaurant, it serves contemporary and english food and it's in the expensive price range.'
User: 'whats the phone number and price of the venue'
System: 'The phone number of the Backstreet Bistro is 01223306306. The price for main courses ranges from 10 pounds 95 to 14 pounds 25.'
User: 'thank you good bye'

Output (English): Expensive