We reserved a car for Friday night and when reache...

We reserved a car for Friday night and when reached there, they didn't have any car. Standard answer from the staff was 'no cars now. It will take 1-2 hours' but there were people waiting there seemed to wait for long time. It was midnight and Kids were sleeping on the floor. Fortunately I got a rental car from a different company.
This is absolutely terrible and the dollar company could have informed the customers earlier and they could have arranged for an alternative.