Came for a birthday brunch with a reservation, and...

Came for a birthday brunch with a reservation, and after we were sat, never saw our server. We sat with empty water cups for 15 minutes until we waved down a server. By way of apology he said "this brunch hour is crazy" and "your waiter is floating around here somewhere". Ok. He brought us water a few minutes later and said he'd found her and would send her over, but after 10 minutes, we got tired of waiting and went to another restaurant. Weirdest thing was IT WASN'T EVEN THAT BUSY