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:     Good afternoon , Pan Am . May I help you ?  
 Person2:  Yes . I'd like to make a reservation to New York for 18th next month .  
 Person1:      Please wait a moment . Let me check for you.The flight is FW 711 and it arrives at 10:00 am .  
 Person2:  How long is that journey ?  
 Person1:      14 hours .  
 Person2:  Thank you . 

1