I need my my money back in my card

I'm not happy at all,you gave us ussd to buy,but you're not sure its working now blue label **** me R1173 of data,since 11/10/24 no money return to my account,and you are not helping,if no refund in my account from blue label I will not pay a cent on your card,you can take me any where you want,don't advertise stupid things you cost us