Tough question. I've never done this but have read that you can put the female in with him while he is brumating and and it will ease the transition. In my opinion and experience it can be difficult to put 2 strangers together ESPECIALLY if they have both lived alone their entire life. I put the female in the cage with the male and then watch them very closely. With some time and patience it usually works out for me but my cages are very large and are designed for multiple dragons without competition for resources.
You need to have a feel for what is courting behavior and what is fighting behavior. Do you?
In general attacks from the front are bad. Going around in a circle is OK. Him biting the back of her head is fine.
If your plan is to just mate them then I just put them both on the floor and nature usually takes over from there. Sometimes it takes a few attempts assuming she's willing.