I'm going on holiday for a week, so tough luck!

On July 6th I phoned Motor Mate and told them I was sending my wife's car to them by tow truck. It had blown the head gasket. They took the info. I arrived at the garage the same time as my wife's car. I then booked it in and asked them to check it out and let me know if my diagnosis was correct. On July 8th I had heard nothing so I phoned them. They said they had not looked at it yet., Unbeknown to me, they e mailed an estimate for over R5000 to me on July 9th. On July 10th, unaware of the email, I phoned them again to ask about the car since they had already had the car for the week. They said they had taken off the head and sent it for repair. I asked why they had not phoned me about it. They said you have to talk to Dallas when he gets back from holiday on July 20th since they would be closed for the week of July 13th. I asked if that meant they would not be working on the car and they said yes. I then arranged for another garage to pick the car up and take it to their place to repair it. Now they have sent me a bill for over R1300 for work I did not agree to. Why did they not inform me of their \holiday"when they knew the car would not be ready before then? Dreadful service! """