This is she.

我就是。

May I please speak to Ling Ling?

我可以和玲玲讲话吗？

We have another event to attend on the same day.

那天我们有其他活动要参加。

Hello, this is Wang Ming. May I speak to Gao Ling, please?

喂，我是王明，我可以和高玲通话吗？

Thanks a lot!

多谢了！

Good morning. Restaurant Service. May I help you?

早上好，餐厅服务部，能为你效劳吗？