Bad service from smart repair centre

My phone just started rebooting by itself and wouldn't switch on. I then took my phone to the Samsung smart repair centre in Constantia Klook off 14th avenue on Wednesday 23 June 2015. My phone was booked in and I was told it would be repaired in 2-4 days and I was given a job ***. I phoned last week and I was told the phone is still under assessment. I phoned again today and spoke to Eurita Kachepa who was very rude and imaptient and even told me I am welcome to come fetch the phone and take it somewhere else. I asked to speak to her manager by the name of Jeffrey who said they were experiencing a backlog but he will try to escale the issue. Why was I told that my phone would be ready in 2-4 days if they have just been keeping it there and doing nothing about it. What kind of patheti