Just have him call me. 让他给我打电话。
A: Mr. Gotti isn't here right now.
髙迪先生现在不在。
B: OK, just have him call me later.
好的，请让他给我回电话。

I dialed your number by mistake.我打错电话了。
A: I'm sorry. ( dialed your number by mistake.
抱歉，我打错电话了。
B: That's OK. Have a nice day.
没关系，祝你愉快。