一道英语难题.编写一则小对话,别忘了注意礼貌,先要打招呼!

A:Good morning, B!
B: Good morning, A!
A: Do you know how to express "铅笔“ in English?
B: Yes, it's " pen".
A: Could you spell it for me?
B: Sure, it's p-e-n, pen.
A: Thank you!