'Today I saw the spray arrangement I ordered on short notice from you. It was lovely. Thanks for the timely delivery and beautiful roses.'
'I ordered a flower arrangement for my school counselor and it was absolutely beautiful...beyond my expectations!'
'The plant was absolutely beautiful! Even nicer than the picture! The woman who took the order was so helpful and sweet. A very pleasant experience!'
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.