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:     Excuse me , miss.Should I check in here for taking MS121 to Florence ? 
 Person2:  Yes , show me your ticket and passport please . 
 Person1:      Here you are . Can I have a seat in the back of the plane ? 
 Person2:  No problem . Wish you a nice trip . 

1