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 . I want to reconfirm our flight to London .  
 Person2:  Yes , sir . Did you call the airline ?  
 Person1:      Yes , I did . But I couldn't communicate with them in English.They speak only Spanish.So I need your help .  
 Person2:  Certainly , sir . What is the flight number and when are you leaving ?  
 Person1:      We are taking IB 385 to London tomorrow at 1 p . m .  
 Person2:  Oh , I see , sir . We have the airline office inside the hotel . They have an English-speaking staff . Just dial 35 , please . 

0