A: May I help you? B: I would like to find this book. A: Is there a problem? B: I don't think you guys have it. A: You should look it up on our computer. B: I did that. A: What came up? B: It should be on the shelf, but I didn't see it. A: I can try to get the book from a different library. B: I didn't know you could do that. A: I will call you when I find it. B: I appreciate your help.