Mixed up

"Are you still working in that forist's?"
"No, I got the sack."
"Why?"
"I had to put the cards into the floral tributes and I got two of them mixed up.The flowers going to a wedding I thought were going to a funeral,so I put in a card which read' With Deepest Symbathy...' and the flowers going to the funeral had a wedding card in them."
"What did it say?"
"Hope You'll Be Happy in Your New Home!"