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 . Holiday Inn . How can I help you ?  
 Person2:  Yes . I booked a single room in your hotel for this Friday . But I ’ m sorry to say that I have to cancel it . My wife is very sick now . I don ’ t think she ’ ll be able to travel by this Friday .  
 Person1:      Oh , I ’ m sorry to hear that .  
 Person2:  Thank you . Can I cancel my reservation ?  
 Person1:      Certainly . May I have your name , please ?  
 Person2:  My name is Tom Smith .  
 Person1:      Okay . I have canceled your reservation , Mr . Smith .  
 Person2:  Thank you very much .  
 Person1:      You ’ re welcome . I hope your wife is feeling better soon . 

1