When they accept reply with this template:
Hi {name},
thanks for accepting! Excited to learn more about you.
How is {personal news from posts } OR {company}. [Observation about why that's important].
Bonus - reply with that message as VOICE NOTE.
“Hi {name},
thanks for accepting! Excited to learn more about you.
How is {personal news from posts } OR {company}. [Observation about why that's important].
If we could help you solve Y problem...worth a conversation?"
CTA is crucial here...you don't know the frequency they seeing your DM, so go for the kill