On The Phone With Two Different People

(I work at a large law firm as the central receptionist.)

Me: “[Firm], how can I help you?”

Customer: *immediately starts being very rude and yelling at me*

Me: “Sir, there’s no need to take that tone. I’m happy to help, but please stop yelling.”

(Surprisingly, he’s very polite for the duration of the call. I get him the information he needs, and I’m pleased that I stood up for myself and that it worked.)

Me: “Well, sir, I think you’re all set. Have a nice day!”

Customer: *politely* “You, too…” *his voice turns to a snarl* “…and I’ll take any f****** tone I want, a**hole!” *slams down phone*

Me: “…”