Echo worked quickly but with a precision few cyberdocs could match as she disconnected the damaged arm.
She did answer his statement about his sister in case it might impinge on her focus. She knew that when she was alone that she'd need to refer to Delta's interaction abilities because she herself lacked the ability to understand why people felt the need to make small talk.
She observed it every time she was forced to speak directly to people and still she had difficulty knowing why they did it.

To her it seemed such a waste of time and effort to do so. It also meant that you had to be able to connect these random and trivial thoughts together and the goal was nebulous at best.
Echo preferred to communicate in data streams because it required precision and truth "Garbage in; Garbage out" she thought but the look that Delta gave her as she pulled the arm free of it's mounts told her that a trivial response was required.

[B][I]Please Inform Jinx that I convey to her greetings as well[/I][/B] she says as she sets the broken cyber limb in the grip of one of the large intimidating robotic arms the hovered around their mistress eager to serve..

She looks into Gideon's eyes as she smiles. a bit mechanically
[B][I]I'm building your new arm of CoE94 fused alloy ceramic, as I stated the product shall take 3.792 hours to complete. This temporary arm shall serve in it's place but lacks any extra peripheral equipment so it may seem weaker to your neural motor cognitive functions but will prevent Amp-syndrome[/I][/B]