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:     I'd like to reserve a room .  
 Person2:  Which date would that be ?  
 Person1:      For the night of April 18th , for one night .  
 Person2:  I'm afraid our hotel is fully booked on that night . Is it possible for you to change your reservation date ?  
 Person1:      No , I'm afraid not .  
 Person2:  We might have cancellations . Could you call us again some other day ?  
 Person1:      Sure , but if you do have any cancellations , could you let me know as soon as possible ?  
 Person2:  I'm very sorry , sir , but we are unable to do that . We would appreciate it very much if you could call us instead .  
 Person1:      OK , thanks . 

0