Could you gift-wrap it, please? 请帮我把礼物包起来，好吗？

With pleasure, wait a moment, please. 乐意效劳，请稍等。

Thank you! 谢谢！

You are welcome. 不客气。

Can you wrap then up? 你能帮我包起来吗？

I will have these samall gifts. Can you wrap them up? 我打算要这些小礼物了，你能帮我包起来吗？

Sure. No problem. 当然，没问题。