+1 to How to Win Friends and Influence people.

Also look up mirroring tactics. Chris Voss was an FBI hostage negotiator and he has has a really helpful Masterclass on negotiation and his section on mirroring was fascinating. It is simply a way to repeat back the last few words the person you’re talking to you said.

“Do you have a few minutes to chat?” “Few minutes to chat?”

Neurally it links you to that person and it makes you seem very engaged with them, they feel heard. It seems like it would be annoying but it totally works.