Funny she was like that, as I've met her a few times in real life and Carol's always been charming. Plus on Twitter she replies and chats away quite happily to people.
Again maybe one of those days when a celeb is tired and just doesn't wanna know. Gee I'm like that on flights a lot of the time, especially if it's a work trip
A chap I know who works in a catalogue shop once served Smillie. She was kept waiting, with everyone else, and uttered the immortal, 'I'm sorry, but do you know who I am?'