What you want from the Johnson, isn't in his interest, he want the job done, the budget has been set. -1 dice
Ms. Johnson, create an impression of power, she's sexy and tough person, that can be influential in your future endavours. You don't want to sell cheap, but you want to sell. -3 dice.
You don't really know the background of the situation (how important it is to Johnson). You have the right skills, but you lack the facts, to back them up. And she might be unwilling to reveal them. -2 dice.
Additional aura readings from Strykers give you an edge here of +1 dice. Would be more if Stryker have some kind of detect truth spell working.
That is a total -5 dices for you (from 19 if I recall correctly), and the opposing roll against hers 13 dice pool