I can only be conversational with certain people. Other people I don't know what to say and I become very quiet and everything. I'm not a complete mute, and I have no problem carrying out convos with friends. But I can't start conversations with other people. And I especially can't start convos with strangers (women) very well. I

tldr

what are some good ways to start conversation without it seeming forced. What do I do if my brain freezes and I can't find words to say?