Rude staff and poor customer service!

After filling out the form at the front desk, we were waiting for an assessor to have a look at the damage to my vehicle so that we could get a quote. Down the passage comes one of the assessors who signals to us with his hand to follow him to the assessment area, like he is doing us a favour. After arriving at my vehicle we explain that we've had some work done to already, but it was not done properly which subsequently lead to more problems, and thus is why we did not go back to the first panelbeater, after telling this to the assessor his sarcastic comment to us was: \Well then you need to go back to them"";and we attempted to explain to him again what had happened with the vehicle. Before we could finish explaining he rudely interrupts us to say: \""Well we don't take cars that have been worked on before"