Lies . Never Return Deposits, *****

I booked a car in Cape town centurty city Angie assisted me. When i returned the card in Durban we did an inspection no new dents , full tank on the car then signed. I was later charged for few an amount of R1400. When i am inquiring about this i was sent pillar to post for this and i have not received feedback. My deposit is still with them i took the car from them end of march and returned it in first week of april till today i am begging for my deposit i called my banker and also went to the bank and they said there is no money pending in my account i only booked with them because the car i wanted from Avis was not there. I am getting legal acction with my lawyer at law for all i can see you taking me for something little