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:       Paul , can I set up a time with you to go over the training manual ?  
 Person2:Sure . Let me just grab my calendar . All right . I ’ m free all day Tuesday and Thursday morning .  
 Person1:        Tuesday morning is good for me . How about 10:30 in my office ?  
 Person2:Okay . Sounds good . See you then . 

informal