Definition: You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. You are required to assign a label 'formal' if there is an absence of emotion and a presence of questions anywhere within the conversation. If such pattern is not found assign the label 'informal'.
Input:  Person1:       Why do you want to be a stewardess ?  
 Person2:I have always enjoyed flying . And I am good with people .  
 Person1:        Could you handle flying for 24 hours straight ?  
 Person2:Yes , I can adjust to anything .  
 Person1:        That's good .  
 Person2:I am also calm under pressure and trained in first aid .  
 Person1:        You should very qualified .  
 Person2:Thank you . It has always been my dream to be a stewardess . 

informal