Ferns N Petals — order not delivered 8088478

I placed an order on 2nd dec.18 of a cake which was to be delivered on 4th dec. 18
As the order number was 8088478 and on the mail it is showing that order had been delivered but it has not been delivered yet. I have been taking follow ups from the time i received the order delivery mail but nothing has been done yet.
I have also got the complaint no.[protected].

But they are totally doing fraud as they haven't refunded any amount nor they are replying to the complaints.