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:       ABC Company , my name is Lucy . How can I help you ? 
 Person2:Hello , Lucy , this is Monica . I ’ m calling for the accountant position . I saw the information about the vacancy on your company ’ s website . Is it still available ? 
 Person1:        Thank you for your interest . The position is still available . Have you already sent your CV to us ? 
 Person2:No , not yet . First , I want to check about the availability and see if you could give more information . 
 Person1:        It is quite urgent for us to fill this position now and I would like to stress that English is a must because of the international contacts and most likely traveling abroad very soon . If all these is not problem for you , I recommend you to mention these in your cover letter and send it to me directly . 
 Person2:The notification period of my current job is not that long and I ’ m quite profession to English and I am happy with the traveling abroad as I ’ m good dealing with the people from other cultures . It makes the whole job even more interesting . I will send my resume to you still this week . 

informal