You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
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'.

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: informal
Why? 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

New input: Person1: Good morning , Textile Import & Export Company .
Person2:Hello , this is Miller . I'm calling about the appointment with Mr . Zhang for this afternoon . Something's just come up , I'm afraid the appointment will have to be rescheduled , I'm very sorry about the change .
Person1: That's all right . Maybe we can make another arrangement .
Person2:You're very kind to say so . Thank you . Do you think tomorrow morning would suit him ?
Person1: I'm afraid there's a bit of a problem . In fact , he's booked up the whole week except tomorrow afternoon .
Person2:Tomorrow afternoon , Um ... you see , I've made an appointment with Mr . Comet for tomorrow afternoon . In order to meet Mr . Zhang , I have to cancel the appointment with Mr . Comet , I'm afraid .
Person1: I'm terribly sorry , Mr Miller , but Mr . Zhang is really busy this week .
Person2:I understand . When do you think I can come and see him tomorrow afternoon ?
Person1: Please let me check . Tomorrow afternoon - Yes , he'll be free from 2:00 tomorrow afternoon . Do you think it's convenient for you ?
Person2:Yes , that's quite all right for me .
Solution:
formal