Got a text from a friend I’ve never heard of

I don’t have Facebook. I tried making an account one time when I was a kid and I got instantly deleted. No clue why. Anyway I have this blue light phone app and I’m able to text anyone with Facebook.<br><br>I swear I’ve never heard of this girl in my life. I didn’t respond yet because it’s pretty weird. Did someone send me this as a prank? I’m not that great at pranks so I’ll be honest that I’m stumped on this one. Any ideas?