Usually you will get told if you have a nice picture by a girl, i don't know if this will help. btw i'm no pua, just some experience
Me: Hey you know its not safe to poke strangers! I guess your parents never taught you that! (good line for first contact from a pua on the forum Method i believe)
Girl: haha,, they dud but they didnt say anything about poking good looking strangers

(thats my ticket!!)
Me: Thanks I can say da same thing about u
Girl:

x
Me: Where u from babe?
Girl: lodnon u?
Me: Wot part of london u from?
I'm from there too we practically r neighbours lol (let her know i'm available becos of distance)
Girl: haha lol where abouts (interested much?)
Me: North u? (slang for north london)
Me: do u have a bb it would b easier 4us 2chat freely if so send me ur pin baby! (i exceeded cutting the bullshit, cos i thought it was better to keep it moving.. this fb convo won't last forever)
Girl: na i dont have a bb. but if you want, you can give me yur number and i can text u?
Me: Yh its 078********
Me: I hope I can trust u wit that lol (i think they like that?)
Girl:

urmm i dont really have credit but you can call me. and that means we will both have each others. 075********
gona call her tonight, let u knw what happens.