I went to picknpay clothing at Gezina for exchange, manager failed to assist me ,because I bought left and right shoes, must I wear right and left please assist, I'm very disappointed not happy and she is very rude

I went to picknpay clothing at Gezina for exchange, manager failed to assist me ,because I bought left and right shoes, must I wear right and left please assist, I'm very disappointed not happy and she is very rude. My name MT Mt Mokwena, my contact ***