I guess I'm a dinosaur but I think emailing the friend to ask what they are actually up to would be even better than involving an LLM to imagine it.
Asynchronous human to human communication is a pretty solved problem.
Or, you know, Signal/Matrix/WhatsApp/{your_preferred_chat_app}. If you're already texting things, might as well do that.
The GP quote also wasn't about a personal assistant use case, it was about filling a hole in personal connection. Its sad because we are more often today having less human connections and more digital, aka fake, ones.