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:     And how will you be paying for your room , Ms White ? 
 Person2:  By credit card . 
 Person1:      Both rooms on the same card ? 
 Person2:  Yes . 
 Person1:      Your card number please ? 
 Person2:  4434 1234 5678 9902 . 
 Person1:      Double one , zero two ? 
 Person2:  No , double nine zero two . 
 Person1:      4434 1234 5678 9902 ? 
 Person2:  That's right . 
 Person1:      And the expiry date ? 
 Person2:  Eleven , ... 
 Person1:      Could you repeat that please ? 
 Person2:  November this year . 
 Person1:      Thank you . I've booked two rooms for Ms White and Mr Webber from Wednesday the 25th to Saturday the 28th of September . 
 Person2:  Thank you . 
 Person1:      You're welcome . We'll see you on the 25th , Ms White . 
 Person2:  Thanks a lot . Goodbye . 
 Person1:      Goodbye . 

1