Definition: You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. If the conversation begins with a question, label it '1' otherwise '0'.
Input:  Person1:     Hello , my name is Bill Martin and we have a reservation for party tonight . 
 Person2:  Yes , what can I do for you ? 
 Person1:      I need to cancel that . We have had a last minute change of plans . 
 Person2:  I see . Would you like me to reschedule you for another night ? 
 Person1:      OK , we will let you know as early as possible . By the way , will we be able to get a refund on this cancellation ? 
 Person2:  Certainly . 
 Person1:      Thank you very much . 
 Person2:  That's all right . I hope we can help you at some other time . Good-bye . 
 Person1:      Good-bye . 

0