'The flowers were beautiful, and delivered in a timely manner. Thank you so much for making this transaction go smoothly. I would definitely use this flower shop again.'
'Very pleased with the arrangement sent to the funeral home-family said they were beautiful - thank you !'
'Thank you very much...I was glad to hear that you got them there early...'
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.