Absa doesn’t value their customers

I have a pending reservation dating back to the 2nd of Dec 2018. I have tried to have this reversed without luck and Absa also seems to not care as I had two pending reservation which the companies have confirmed that from their side they had been voided both on the 3rd of Dec. The pick n pay was eventually reversed around the 27th but Uber is still pending to this day. I have asked Absa to check if the was any system problem with reservations voided on the 3rd of Dec and they are not willing to assist as both PnP and Uber have confirmed that the amount were voided on the 3rd. The pick n pay was reversed without me sending any letter but one has been requested from Uber( Pick n pay and Adele from Absa we able to solve without me forwarding anything from my side). Why is it so difficult for same to be done with Uber??? Uber has no South African help center and their Asian call center is not able to provide me with the letter needed as I have been referred by the to speak to my bank... How then do I get my money back? I have been with Absa for over 15 yrs and through this experience I am going to move all my accounts to another bank that will value me as a customer.