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'.
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Question: Person1: Good afternoon madam . What can I do for you ?
Person2:Hi . I want to check out . My room is 1005 .
Person1: OK . Please hold on a minute . So you checked in on Monday and stayed 3 nights in single room 1005 . Is that right ?
Person2:Yes . Can I have a look at my bill ?
Person1: OK . Here you are . If there are no questions , could we have your signature in the blank below ?
Person2:OK . I would like to have my receipt report , please .
Person1: Here it is . We are pleased to serve you here and we look forward to seeing you again . Wish you have a good day .

Answer: informal

Question: Person1: I always think everybody looks down on me
Person2:Don't be that negative .
Person1: How can you be optimistic ? You can see it in their eyes .
Person2:I find it there is no meaning in living this world .
Person1: Don't be that negative .
Person2:Really , life is so boring .

Answer: formal

Question: Person1: I went shopping without my umbrella yesterday morning .
Person2:Yesterday morning was beautiful I thought the sunning was going to continue .
Person1: So did I . that's why I didn't take my umbrella . I got cold in the rain in the afternoon . It was raining cats and dogs .
Person2:I know . I could not believe it when I got hit by that storm . It was pouring with rain all afternoon .
Person1: We really have some movable weather sometime . I wish I would live somewhere which were sunning all year round .
Person2:If it was sunning all year round there would be drought . You probably would not like it either .
Person1: I guess you are right . Maybe I just wish the weather could be a little more predictable .
Person2:The weather forecasters are not good at predicting the weather would be like . Our weather is so changeable .

Answer:
informal