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: Excuse me . When is breakfast time ?
Person2:From 6:00 to 9:00 .
Person1: Well , I would like to order breakfast for tomorrow coming .
Person2:Certainly , Sir . What would you like to have ?
Person1: Please give me two fried eggs , two orders of toast and a cup of coffee .
Person2:Fine.Have a nice stay here .
formal

Person1: I'm really sorry , Bob . I accidentally damaged your bike .
Person2:Uh-oh . It'll probably cost a lot to fix it .
Person1: I'll make it up to you . Let me know how much it costs and I'll give you the money .
informal

Person1: Maybe we'd better go now .
Person2:It's still early .
Person1: Gosh , it's already 10.Stay here if you like .
Person2:Since we're late , let's go to see a film .
Person1: OK.Hurry up .
informal