How long have you been together, sexually?

Firstly, give it time. Like Little said, dont make her feel like she should be worried about never reaching an orgasm.

Again, as Little said, it jumped out at me that you cant locate her clitoris...the first thing that came to mind was that she mustn't been completely aroused, as the clitoris swells and hardens as shes becomes sexually turned on, so you should be able to feel it...unless youre looking in the wrong place

As a woman, to reach orgasm, you need to be completely at ease with your partner, possess the ability to relax fully and enjoy whats happening to you.

So, all you can do, as was previously said, is educate yourself and help her to feel comfortable. Let herself explore herself, in a new relationship; its much easier to pleasure yourself than have someone else do it, as you know what feels good for you. She can then report back to you.

For now, reassure her that pleasuring herself isnt something to be ashamed of. Keep being as attentive as you are being, this'll help her relax and trust you.

Good luck....give it time...