One ready-made excuse

Take this and vanish gracefully.

Your email has been received during my scheduled absence. I am spending leave days nowhere near a laptop charger. The slide deck will remain exactly as dramatic as I left it. I will get back to you once I return and can review this properly. Urgent needs should be directed to the appropriate stakeholder with calendar access. Thank you for your consideration.

Professionally ignoring you with the help of 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