"Would you like a seat?" the other waitress enquires, but her manner and tone make it very clear what she is expecting.
"Oh, uh, no thanks!"
"Then please leave and stop staring at our customers." The waitress folds her arms and glares as Ffion gathers the shreds of her dignity and stalks away.
Don't want to give them any money anyway. She puts her hands in her pockets and scowls in realisation.
Oh giblets, that means Ithel was right...