Shocking Service

My wife booked her car in at Ford Claremont on Thursday morning the 10th of Feb . She was phoned around midday and told that the water pump needed replacing. As they had missed the 10am parts ordering deadline they would order it on Friday and the part would come on Monday. My wife phoned Ford on Monday only to be told that the part hadn't arrived. I went to Ford Claremont today, Tuesday the 15th to find out what was going on. Firstly I found my wife's car in the parking area. I eventually ended up speaking to the service manager who told me that the part had only arrived yesterday at 5pm. As he had cars booked in for service today that took priority and I must accept that we would more than likely get the car back the following day , Wednesday the 16th. I said to him that surely my wife's car should have priority as it was booked in since last Thursday. Needless to say he didn't agree. This shows that as a service manager he is clueless about service and does not care that my wife needs her car to work. He was more focused on there rigid booking system I said there's no logic in a system that puts a car that came in last week behind cars that came in today. This dealership is not worth buying from if it means you need to service your vehicle there