You won't be able to dismiss this by usual means (escape or click button), but you can close it programatically based on user choices or actions.
"When I was initially asked to be in charge of the shower invitations, I thought "fine, I can do that" Then the bride to be called and said that she had found one online @ Wedding Paper Divas. I was terrified! This was going to be too much. I wasn't going to be able to figure this out. Don't you know that I don't text, Face, Space or download? I gave it a shot. This is fun! WOW, this is creative but you do the hard part. When my future daughter-in-law told me the next day that only 25 invites were needed; not 55 I called your Customer Service #. No problem. I love you!"