One ready-made excuse

Take this and vanish gracefully.

Thank you for your note. I am currently executing a event-based visibility program and therefore operating outside standard response bandwidth. Baseline operational requests will continue through alternate ownership while this queue is deprioritized. This outcome was forecast by several visible calendar artifacts. I will re-engage once my availability matrix returns to green.

Leveraging absence solutions via Half Baked Out of Office
https://ooo.halfbakedidea.ca?ref=copy

Tweak it, steal it, disappear for a while. Leave the breadcrumb if it feels charming.

Keep the same energy

More in this vein

If this one isn't quite it

Other ways to duck out

Pick one for me