Not getting back to the customer

Good day. On Friday 08/12/2017 my Audi A3 showed a " gearbox mul****ion" warning alert. Long story short, my car was towed to Audi Centurion and it was booked in and I was told that they would only look at the car on Monday(11/12/2017). I was sad that I would not have a car for the weekend, especially since I was supposed to attend a relative's funeral, but I accepted a situation I could not change. Audi Centurion could not provide me with a loan car, "they were all booked out". Again I made peace with that, after calling the Sandton, and Hatfield branches to check for an available loan car. Mdu Masilela from Centurion branch said he will contact me regarding the status of the vehichle on Monday. But alas, no call from him until I called him around 11am on Monday (11/12/2017 ) and he said he will call me back. He did not call me for 2hours and after 1pm I called him, but could not get hold of him. I asked to speak to his manager, who took my nr and promised to call me back. Instead, Mdu called me at 14:54 saying the car is "now being towed to the workshop" and he will call me before end of bussiness. As I write this email, it is 17:14 and guess what? No call from Mdu to notify me. I am a human being, I understand that some things cannot be done in a day, BUT what ****ES me off is me running aroung calling a service provider, asking for a progress and them not calling me back. That is totally unproffesional and deceiving the client. Why promise to call back a client then don't do so? That is disgusting as I have to make alternative means of transport on the very last minute.