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 an american restaurant with a cheap price range'
System: 'Gourmet Burger , which serves american food, is an outstanding restaurant. It's in the cheap price range.'
User: 'what is the address and area'
System: 'Gourmet Burger  is on 43-45 Regent Street. The price for main courses ranges from 3 pounds 95 to 8 pounds 45.'
User: 'thank you good bye'

Output (English): Cheap