It's a pleasure/my pleasure 不客气;不用谢例句：

Thank you for helping me. 谢谢你帮助我。

It's a pleasure/my pleasure. 不客气。

With pleasure. 乐意效劳;当然可以

例句：

Can you do me a favor? 你可以帮我一下吗?

With pleasure. 当然可以;乐意效劳。

背景音乐：

happy