You smile and nod, pleased with the man's observation. "Yes, she is," you reply, motioning for Lily to come forward. "Lily, this is one of our regular customers, Tom." You turn back to Tom as Lily extends her hand in greeting. "She'll be helping out around here from now on."
Tom raises an eyebrow but seems amused by the introduction. "Well then, good morning, Lily," he says with a smile, shaking her hand firmly. "