Terrible day at work !
I work as a travel agent so in retail.
A lady called today asking to make some amendments to her flight dates - I explained I'll see what I can do but couldn't promise anything as its short notice .
It turns out I couldn't book on the dates she wanted to switch to as we were sold out .
She turned instantly rude ! It was very strange though as she wasn't shouting but she was condescending , told me she was getting "quite sick" of me when I tried to explain why I can't just swap , she then turned it all around to me saying I'm clearly finding her annoying and she will come in to speak to someone else 
I honestly was not rude or abrupt back to her , maybe there was a tone of irritation in my voice at some point .
She's now going to complain about me (she said she was) and I've come home feeling totally deflated and it's playing on my mind .
My boss will be able to see I've not done anything drastically wrong but will probably pick up that I was irritated with her .
AIBU to think people forget there's an actual human on the other end and just because you can't see them doesn't mean you can be openly rude ?
Sigh. I can't even drown my sorrows in gin as I'm on anti biotics 