********** advertising discount offer

I am bitterly disappointed with NetFlorist. I received (brown cards)3 vouchers with gifts for my birthday. Each as voucher to be scanned for R150 discount. When I tried to use it it would not allow me to. I contacted netflorist via emails-no response, phone calls etc etc never getting through on *** but at last a human on ***. Sorry only for 1sttime users as marketing tool. This is **********. I have been a customer for a long time.