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: 'i am looking for a spanish restaurant and it should have a cheap price range'
System: 'What part of town do you have in mind? For example, something in the Barnwell, riverside, or Trumpington area.'
User: 'anywhere'
System: 'Are you looking for somewhere near a particular venue? For example, the Museum Of Technology, Corpus Christi, or Saint Catharine's College.'
User: 'no'
System: 'La Raza, which serves spanish food, is a great restaurant. It's in the cheap price range.'
User: 'no'
System: 'La Raza is an outstanding venue. The price for main courses ranges from 1 pound 95 to 13 pounds 95 and the entrance for adults is 4 pounds.'
User: 'the address and price of venue'
System: 'La Raza is on 4-6, The Basement, Rose Crescent. The price for main courses ranges from 1 pound 95 to 13 pounds 95 and the entrance for adults is 4 pounds.'
User: 'thank you good bye'


SOLUTION: Cheap

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: 'i need to find a sea food restaurant and it should be in the expensive price range'
System: 'Let me confirm. You are looking for a venue in the expensive price range.'
User: 'yes'
System: 'What type of food would you like? For example, Italian, Mediterranean, or Traditional.'
User: 'unintelligible sil'
System: 'What type of food would you like? For example, Chinese, International, or Traditional.'
User: 'sea food'
System: 'Loch Fyne is an outstanding restaurant. It serves seafood. It's in the expensive price range.'
User: 'can i get the address the phone number and the price of the venue'
System: 'Loch Fyne is on 37 Trumpington Street. Its phone number is 01223902103. The price for main courses ranges from 9 pounds to 20 pounds.'
User: 'thank you good bye'


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: 'noise sil'
System: 'What kind of price range are you looking for? For example, cheap, or free.'
User: 'i dont care'
System: 'What kind of venue are you looking for? For example, a cafe, or a pub.'
User: 'breathing sil'
System: 'What kind of venue are you looking for? For example, a pub.'
User: 'i want to find a restaurant in barnwell'
System: 'The Wheatsheaf is a great restaurant and it's in the Barnwell part of town.'
User: 'ah restaurant in barnwell'
System: 'The Wheatsheaf, which is in the Barnwell part of town, is an outstanding restaurant.'
User: 'whats the ah address phone number and post code'
System: 'The Wheatsheaf, which is in the area with the postcode CB5 9AD, is on Stow Road, Stow-Cum-Quy. Its phone number is 01223812196.'
User: 'address'
System: 'The Wheatsheaf is located on Stow Road, Stow-Cum-Quy.'
User: 'ah thank you good bye'


SOLUTION:
Don't Care

