Can ads be hidden when seller is away?

Hi,

I'm new to PPH and will shortly be posting ads.  However, I am conscious of the fact I will be away for a week on a family holiday (in a couple of weeks) and I just wondered if there is a function to hide an ad at that time, so that people don't request my services at that time?  I wouldn't like to let anyone down, if they think I am available when I'm not.

Diane.