您好 现在我有事不在 有事就留言吧.用英语怎么说

Hello,I'm not available now,please leave words to me.

sorry,i am not in ,please leave message !
sorry,i am out for business ,please leave message !

Hello, something is not something I would post it.

hello,I am leave now for something, please leave word if you can.

Hello,I'm not available now，please leave me a message!

Sorry, I am unanvailable at the moment, please leave me message!