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: 'can i find a continental restaurant with ah expensive price range'
System: 'Alimentum, which serves continental and french food, is an outstanding restaurant. It's in the expensive price range.'
User: 'can i get the phone number and the area'
System: 'Alimentum is on 152-154 Hills Road and its phone number is 01223413000. The price for main courses ranges from 17 pounds 50 to 21 pounds and the price for a glass of wine ranges from 6 pounds 50 to 10 pounds 50.'
User: 'thank you good bye'

Output (English): Expensive