'thank you so much. the flowers were delivered very timely, and they were beautiful! great job!'
'WELL DONE, FAST AND EFFIECENT. Like the option of ordering flowers right off the funeral's web site.'
'Excellent Customer Experience. I asked to be called if flowers will not be delivered at the requested time. I got a courtesy call stating they can't promise it, but they will do their best, and it was delivered on time. Easy User experience on the app, everything was very smooth. Finally I can order flowers without having to worry. I ordered flowers before from other vendors and I had terrible experiences, I can finally have a reliable goto florist service. Thanks very much and keep it up!'
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.