'I did not personally see the arrangement, however I thought it was just going to be balloons but it was candy too. That was a nice surprise.'
'Thank you for the beautiful bouquet of flowers for my dear Friend. The flowers were very fresh and just like the picture shown on your website.'
'I TRUST YOU DID A GREAT JOB MAKING UP THE ARRANGEMENT. THANK YOU FOR YOUR HELP IN GETTING THIS TO THE FUNERAL HOME ON SHORT NOTICE.'
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.