Originally Posted by
CMK10
"Excuse me but I have x seat".
If they ask me to move to another seat I'll size it up and if it's not one I want I'll say "I'm sorry but I don't like x seat because of (reason)". I'm much more likely to switch if someone asks me instead of sits in my seat, that kind of assumptive behavior irks me.
I find that giving a reason just leads to an argument. Why you want the seat that you have reserved is none of their business.