Disappointment with Ubereats

I am very disappointed with Uber eats, In Oct 2021 i lost R489.90 for an order that was cancelled. I already paid with my card when placing the order, never received my refund nor food. In Dec 2021 the exact same thing happened, again i lost R359.70, no refund. When i queried this with them, they informed that the refund will be done, to date no refund, and they now just inform that its too late. I will never use Ubereats again.