Welcome and many happy returns on your Birthday.

Learn to tell interesting/funny stories about yourself, situations etc to build your conversation skills. True stories are best as they are more congruent, add banter and ask her open ended interesting questions, listen carefully to her answerers as there will be a ton of leads to follow and build on from her answerers.

This is just basic to help with improving conversation skills, even in cold approach day game you will still need conversation skills.

Good story telling and banter with some intrigue, creates attraction

Interesting questions and conversation, creates rapport and comfort

flirting and innuendo will create sexual attraction.

Dont forget good eye contact and body language.

There is much more to this, as I said this is just the basics, im sure some others can add to this.

Good luck