351 He is not in now。

他现在不在这里。

352 He has not come in yet。

他还没有来。

353 He will be here in 30 minutes。

354 He has gone home。

355 He is in conference。

他正在开会。

356 May I take your message？

你需要留言吗？

357 May I have him call you back？

要我请他回你电话吗？

358 I am sorry Mr. Chen is unavailable， would you like to speak to anyone else？

抱歉陈先生不在，你要不要跟其他人讲话？

359 I will transfer this call to Mr. Chen。

我把这个电话转给陈先生。

360 Would you hold the line， please， I will find out his number for you。