how do i go about getting with this girl?

[AFCmovingOnUp]

so i've read up on some the bible and i feel like i'm ready to start working on this girl i just recently met. Heres the thing, i see her maybe once every week in a group setting, we're both in this group that gets together to do community events and things of that nature. Its hard to gauge her interest level because she comes off as nervous, and it seemed like she was eager to give me her number but the setting for that wasn't me hitting on her it was more of an indirect thing. She brought up someone whose number i should have and after i got this person's number i asked for hers which she promptly gave with a bit of eagerness. I don't want to get the wrong signals but i also don't want to wait too long to make my move (he who hesitates masturbates). This girl comes from a conservative background that could explain her nervousness or not. Now, shes good looking so theres no doubt in my mind she gets hit on alot so i don't want to come off as just another chump.

The question is, how do i go from this semiprofessional environment we meet in to phone call/date? I thought about just calling her but i thought that would seem too obvious shed be thinking "oh hes calling because he wants to go out with me." and that might hurt my social proof, I want to go to her but i understand the importance of making them feel like you're worth the chase.

Thanks in advance.

 

[AFCmovingOnUp]

This is what i'd like to do but like i said in our meetings there is very little time for anything but the meeting. Its a fairly professional meeting, theres no time for that getting to you feel her out stuff.