Poor service and charged for an old dent on the vehicle

On Wednesday 27th November ’24 I collected a vehicle from the East London Airport branch at 8:30am and was not issued with a pre-inspections sheet. When I got to the parking yard none of the agents came to conduct an inspection on the vehicle. When I returned the vehicle at around 15:00 the same day a gentleman assessed the vehicle and subsequently informed me that the was a dent around the bottom of the from passenger door. I disputed that this damage was caused by me and also proceeded to prove to him that this was an old dent which also had an embedded dirt stain which is evidence of the age of the dent. I also filled in a form where I disputed causing this dent and subsequently contacted the branch and informed them of my dissatisfaction and was told that this would be investigated and a report would be made available within the week. Unfortunately this did not happen and was only made aware of this being charged on my account when I called the branch this morning.