Mel turned just barely to glance over her shoulder at her cousin, her expression level. "Legolas." she answered quietly. "Where exactly have you and Tauriel been?" she asked as the red-haired she-elf joined the Mirkwood prince, nodding politely to Mel. 

"Tracking the fleeing orcs," Tauriel answered, "where else? The real question, I think, is what exactly do you think [i]you[/i] were doing?" perhaps it was rather bold of the Captain of the Guard to speak out to the king's niece in such a way but she was confident that she was voicing what Legolas was thinking at any rate and if she hadn't said it then he would have.