Hello. Is there Susan speaking?

喂，是苏珊吗？

You must have the wrong number.

你一定打错电话了。

Isn't this the Nanjing University?

请问是南京大学吗？

May I please speak to Jane?

我可以和珍妮讲话吗？

There is no one here by that name.

这里没有玲玲这个人。

Are you sure you are dialing the right number?

你确定你打的号码是对的吗？

I'm sorry. I dialed the wrong number.

对不起，我打错电话了。

I am calling on behalf of the Private Teacher Company.

我代表家教公司给您打电话。

This is Susan with Jiaotong University student. May I have your name, sir?

我是交通大学的在校生苏珊，请问您贵姓？

This is Wang with China Bank.

我是中国银行的王先生。