高级英语对话 第 55 课：借书过程-2

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.