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: 'hi im looking for a pub food restaurant and it should have cheap price range'
System: 'The Fountain Inn, which serves pub food, is a great restaurant. It's in the cheap price range.'
User: 'alright can you please give me the address'
System: 'The Fountain Inn is on 12 Regent Street. The price for main courses ranges from 4 pounds 95 to 7 pounds 95 and the price for a glass of wine ranges from 3 pounds to 4 pounds 50 and the price for a cheapest pint of beer is 2 pounds.'
User: 'and the phone number please'
System: 'The phone number of The Fountain Inn is 01223366540.'
User: 'unintelligible thank you good bye'
System: 'What part of town do you have in mind? For example, central, or Fen Ditton.'
User: 'thank you good bye'

Output (English): Cheap