Getting Used To It...

I am getting the hang of the BPO industry, which means, i am getting more and more shameless at selling things, and also have started getting veiled insults my way from the firangis. The general policy is to get used to it, to just not let it get you, but how??? I mean, how does one just let slip the thought that the person who you just called would want only someone from Britain to contact them, and if we try o explain to them, they are not ready to listen.