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: 'sil'
System: 'What kind of venue are you looking for? For example, a cafe.'
User: 'sil'
System: 'What kind of venue are you looking for? For example, a pub.'
User: 'im looking for a rest'
System: 'What kind of venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'a restaurant'
System: 'What type of food would you like? For example, Mexican and Tex Mex, Indian, or International.'
User: 'restaurant'
System: 'What kind of price range are you looking for? For example, free, or moderate.'
User: 'american'
System: 'Are you looking for somewhere near a particular venue? For example, Hughes Hall, Little Saint Mary's, or The Fitzwilliam Museum.'
User: 'american'
System: 'What part of town do you have in mind? For example, something in the Arbury, Cherry Hinton, or Romsey area.'
User: 'city center'
System: 'Gourmet Burger , which is in the central part of town, is an outstanding restaurant. It serves american food.'
User: 'address'
System: 'Gourmet Burger  is on 43-45 Regent Street.'
User: 'three two four five begent'
System: 'Gourmet Burger  is an outstanding restaurant.'
User: 'phone number'
System: 'The phone number of Gourmet Burger  is 01223312598.'
User: 'and the price'
System: 'Gourmet Burger  is an outstanding venue. The price for main courses ranges from 3 pounds 95 to 8 pounds 45.'
User: 'ok thank you'
System: 'Gourmet Burger  is an outstanding restaurant.'
User: 'is it burger gourmet'
System: 'Gourmet Burger  is a great restaurant.'
User: 'sil'
System: 'Gourmet Burger , which is in the central part of town, is an outstanding restaurant. It serves american food.'
User: 'thank you'
System: 'Gourmet Burger  is an outstanding restaurant.'
User: 'sil'
System: 'Gourmet Burger  is an outstanding restaurant.'
User: 'thank you good bye'

Output (English): Cheap