It entirely depends on who you're talking to if they are entitled to grace and style. Although I would like to think that I treat everyone with grace and style

It entirely depends on who you're talking to if they are entitled to grace and style. Although I would like to think that I treat everyone with grace and style. If I'm polite with my "no", and it still doesn't work and the person isn't entitled to grace and style then I make it very clear and abrupt. "I said no, do you understand what that means?"