I have a complain about the service in the store,yesterday 21/11/2023 i did a laybye,but the thing I returned today for a refund because i have crisis that need cash and they say they wont give me my money back

I have a complain about the service in the store,yesterday 21/11/2023 i did a laybye,but the thing I returned today for a refund because i have crisis that need cash and they say they wont give me my money back.and the person who was assisting me yesterday didn't explain the terms to me.now they want to show me on the sleep. Shoe shack mamelodi Denlyn. Please help