Carol is skeptical. Not that someone would find her attractive, but because this so obviously reads like a set up. She follows Derek's line of sight to where Diego is standing, eyeing him up and down and-- what's that hanging above him? Mistletoe? Okay, now she gets it.

Still, 'tis the season to be jolly. No reason to leave the guy hanging.

"...Okay. I'll bite," she says to Derek, pushing off the counter she was leaning on and making her way over to Diego.

"Hey," she starts. "Diego, right? Derek said you were looking for some ...company."