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'.
One example: Person1:      Hey man , you wanna buy some weed ?  
 Person2:Some what ?  
 Person 1:Weed ! You know ? Pot , Ganja , Mary Jane some chronic !  
 Person2: Oh , umm , no thanks . 
 Person1:      I also have blow if you prefer to do a few lines . 
 Person2: No , I am ok , really . 
 Person1:      Come on man ! I even got dope and acid ! Try some ! 
 Person2: Do you really have all of these drugs ? Where do you get them from ? 
 Person1:      I got my connections ! Just tell me what you want and I ’ ll even give you one ounce for free . 
 Person2: Sounds good ! Let ’ s see , I want . 
 Person1:      Yeah ?  
 Person2:I want you to put your hands behind your head ! You are under arrest ! 
Solution is here: informal
Explanation: Based on the conversation, we can see that there is a presence of exclamation which is not present in a formal discussion. Therefore this is an informal conversation

Now, solve this:  Person1:       Good morning , Mr . Smith .  
 Person2:Good morning , Jamie . What time is it now ?  
 Person1:        It is 9 o'clock now .  
 Person2:I see . What is today's schedule ?  
 Person1:        You have two meetings today . One is at 10 am , and the other is at 2 pm . After the meeting , you will have dinner with Mr . Brown at the Chinese restaurant in Sister Hotel .  
 Person2:OK . Can you prepare things for the meeting in the meeting room ? Make enough copies of the handouts .  
 Person1:        No problem . Do you need the OHP ?  
 Person2:Yes . I am going to show them some slides in the meeting . Can you call Mr . Brown to remind him of the dinner this evening ?  
 Person1:        OK . Do you want to ask the receptionist to wait for our customers at the receptionist counter before the meeting ?  
 Person2:That would be great ! You are really a good employee . 
Solution:
informal