TASK DEFINITION: The input is a conversation between an automated system and a user looking for suggestions for pubs, restaurants and coffee shops in Cambridge. In the dialogue, the user may provide some criteria for the type of place they want such as price range, cuisine, etc. Given such a dialogue, output the price range the user if looking for which can take one of four values: Cheap, Moderate, Expensive and Don't Care. Output cannot be any other value than the four values. Note that if the user asks for the prices of items provided at a pub, restaurant or coffee shop but doesn't mention the price range they are looking for then the correct classification will be Don't Care. If the user does not mention a particular price, the correct classification will be Don't Care.
PROBLEM: 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: 'restaurant'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or free.'
User: 'doesnt matter'
System: 'What kind of price range are you looking for? For example, cheap, or free.'
User: 'doesnt matter but restaurant in barnwell'
System: 'What kind of price range are you looking for? For example, expensive, free, or moderate.'
User: 'moder'
System: 'What part of town do you have in mind? For example, New Chesterton, or Romsey.'
User: 'barnwell'
System: 'What part of town do you have in mind? For example, something in the Chesterton, Girton, or New Chesterton area.'
User: 'barnwell'
System: 'What part of town do you have in mind? For example, Barnwell, or Girton.'
User: 'barnwell'
System: 'The Wheatsheaf is an outstanding restaurant. It's in the Barnwell part of town. It's in the moderate price range.'
User: 'can i have the address'
System: 'The Wheatsheaf is on Stow Road, Stow-Cum-Quy.'
User: 'can i have the postcode'
System: 'The Wheatsheaf is in the area with the postcode CB5 9AD.'
User: 'thank you goodbye'


SOLUTION: Don't Care

PROBLEM: 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 thai restaurant in the expensive price range'
System: 'The Wrestlers, which serves thai food, is a great restaurant. It's in the expensive price range.'
User: 'can you give me the address and the price of this venue'
System: 'The Wrestlers is located on 337 Newmarket Road. The price for main courses ranges from 8 pounds 50 to 9 pounds 70 and the price for a cheapest pint of beer is 3 pounds 30.'
User: 'uh thank you goodbye'


SOLUTION: Expensive

PROBLEM: 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, a pub, or a restaurant.'
User: 'restaurant in kings hedges'
System: 'The Ranch is in the King's Hedges part of town.'
User: 'sil'
System: 'The Ranch is in the King's Hedges part of town.'
User: 'ok'
System: 'Can I help you with anything else?'
User: 'what is the address phone number and price of'
System: 'The Ranch is located on 100 Histon Road and its phone number is 01223322772. The price for main courses ranges from 6 pounds to 12 pounds 50.'
User: 'what is the address and phone number and price of the venue'
System: 'The Ranch is on 100 Histon Road. The price for main courses ranges from 6 pounds to 12 pounds 50.'
User: 'thank you and have a good day'
System: 'Let me confirm. You are looking for a venue with an internet connection.'
User: 'thank you and have a good day'
System: 'Are you looking for a pub or a restaurant?'
User: 'noise'
System: 'Are you looking for a pub or a restaurant?'
User: 'thank you and have a good day'


SOLUTION:
Don't Care

