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 thai restaurant in the expensive price range'
System: 'The Wrestlers is a great restaurant, it serves thai food and it's in the expensive price range.'
User: 'what is the address'
System: 'The Wrestlers is on 337 Newmarket Road. The price for main courses ranges from 8 pounds 50 to 9 pounds 70 and the price for a cheapest pint of beer is 3 pounds 30.'
User: 'whats the phone number'
System: 'The phone number of The Wrestlers is 01223566554.'
User: 'and what is the post code'
System: 'The Wrestlers is in the area with the postcode CB5 8JE.'
User: 'thank you goodbye'

Output (English): Expensive