Unsatisfied Customer

I had received a bad service from Automagic Boksburg. On the 15/03/2016 I booked my car for the rear bumper repairs for 11/04/2016. They were supposed to give back the car today as per their promise. Today when I am expecting their message or call to go collect the car, they SMS me saying they could not repair something and it has been ordered for replacement. When trying to call the guy have been dealing with he keeps on avoiding me, suddenly a lady offered some assistance and he came back to say my car won't be ready within the next two weeks. This is the second time this is happening to me at the same panelbeater, last time I had to go and wait for my car and forced them to complete it while am waiting, because they have been postponing me. I feel disrespected because this service provider's employees have **** to me, and said they have started working on my car while they had not done anything. They said the car is almost complete, and they are only waiting for the broken bumper sensor; now they come up with the new story.