'The Flower arrangement was beautiful. Thank you so much for following the instructions. Your service was Great!!'
'Flower arrangement looked just like the picture, I knew it was the one I ordered before looking at the card. Thank you for doing such a great job!'
'It was a fruit basket. I was told it was perfect! Thank you.'
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.