I am the starter and finisher in many cases... or at least used to be when I was doing more business with random individuals. It makes things especially interesting when someone will try to escalate an issue up without realising that they've been talking to me the whole time. I've had a number of people tell me things like "Wow, you're a much better rep than the last guy I dealt with. He was a total loser, you should try to get him fired".
I'd rather not have any customers to bother me, but since they're the ones with the money I have to put up with them. It's fun trying to find that line of what's just enough to give them to keep them happy.
Here's a situation that customer service has got to love: