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 coffee shop serving english food and it should have a cheap price range'
System: 'The Cambridge Blue, which serves english food, is an outstanding cafe. It's in the cheap price range.'
User: 'ok may i know the address phone number and postcode'
System: 'The Cambridge Blue, which is in the area with the postcode CB2 1DB, is located on 24 Regent Street. Its phone number is 01223369222.'
User: 'thank you good bye'

Output (English): Cheap