Doors closed on our faces.

App**** for a passport renewal and booked an appointment at fnb cornubia. We arrived on 8th april 12:00pm to a long queue even though we had an appointment. We were not told what was going on or how long it would be, we were just told to stand and wait. A women came out at 3.50pm with her socks, sandels and tracksuit telling us that the system is slow and we cannot served and must rebook another appointment. They then proceeded to close the doors on our faces and refused to serve us. We are fnb customers! We took leave just to make this appointment and were neglected as if we came begging for food. What kind of ****ty customer service is this? How can you make us stand for 4hours with no communication. The security cannot answer, the person standing at the ticket counter is lost herself. But we expected to just wait until you feel like telling us when you are done for the day. I will be definitely be changing my bank and rather go to home affairs for my passport, who will atleast tell you that you cannot be helped or there is a delay.