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 cheap fast food restaurant'
System: 'Burger King is a great restaurant, it serves fastfood and it's in the cheap price range.'
User: 'the address and phone number'
System: 'Burger King is on The Grafton Centre and its phone number is 01223322666.'
User: 'thank you goodbye'

Output (English): Cheap