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 restaurant in romsey area'
System: 'What type of food would you like? For example, Chinese take away, East asian, or English.'
User: 'indian food'
System: 'The Curry Queen, which is in the Romsey part of town, is an outstanding restaurant. It serves indian food.'
User: 'uh im looking for a expensive restaurant'
System: 'There is no restaurant in the Romsey area and serving indian food in the expensive price range.'
User: 'uh ok so what is the phone number of the restaurant in the romsey area'
System: 'There is no restaurant in the Romsey area and serving indian food in the expensive price range.'
User: 'phone number and address'
System: 'The Curry Queen is on 106 Mill Road and its phone number is 01223350407.'
User: 'sil'
System: 'The Curry Queen is an outstanding restaurant.'
User: 'ok thank you good bye'

Output (English): Expensive