We were sat and told "Katie will be right with you...

We were sat and told "Katie will be right with you". Ten minutes later a male server came up to greet us. I guess he was our server for the rest of the night but it was hard to tell because I only saw him at our table two more times. Once when my water had sat empty for 5 minutes or so. The other was when it was time to pay. I paid in cash. He owed me $13.59 in change and only brought me $13.00 back. If you are going to do that you better at least round up....I didn't see a manager all night or I would have complained at the time. This place needs to get it together.