stands quietly as the merchant gestures toward her

This is Cindy, Sir. Blonde, well-trained, twenty-three years old. She's been in my household for three years now and has proven herself quite capable.

Cindy looks up shyly, hands folded in front of her

H-Hello... I am Cindy. Master has told me you are considering... purchasing me. I promise I am a good worker. I can cook, clean, sew, and... and I am obedient.

glances down nervously

If you have questions about my skills, please ask. I want to show you I am worth your investment.