Bad service

Took in my car 9 Sep '25 for a bumper repair. Estimated date of completion was 19 Sep '25. 15 Sep they claimed they are struggling to get parts because its a "r-line" the next sms said parts have been ordered. The following sms said Estimated completion is 26 Sep. 18 Sep they said car is in the panel beating Bay. Yesterday (25 Sep) they changed date AGAIN to 3 Oct. I called and asked why and they asked for my registration. I gave the lady who said they still waiting for parts. Then I asked how come because they said the car is in the panel beating Bay last week. They she said she will go check and call me back because there are too many polos there and they are confusing her. She did call back and said my car is done but the paint is not dry yet but on Monday my car is be ready. I know on Monday I'll be getting more stories. The 1 mistake I made was disclosing that I have a courtesy car thats why they are dragging their feet. Monday I want my car