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: 'i want to find a coffee shop serving english foo food'
System: 'What part of town do you have in mind? For example, something in the Addenbrooke's, Cherry Hinton, or Girton area.'
User: 'okay 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: 'whats the address'
System: 'The Cambridge Blue is located on 24 Regent Street. The price for main courses ranges from 1 pound 20 to 2 pounds 50 and the price for a cappuccino is 1 pound 35.'
User: 'thank you goodbye'

Output (English): Cheap