Hello, is this John speaking?

喂，是John吗?

Can I talk to John?

请问John在吗?

Hi, John. It's Alice.

您好John,我是Alice.

This is Alice speaking.

我是Alice.

May I have your name , please?

请问您是谁?

Who do you wish to talk to?

您要找谁呀?

Yes , speaking.

是的,我是。

That's me.

我就是。

You're speaking/talking to her.

您正在跟她说话。

This is her.

我就是。(注: 男的用This is him.)

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