Help with color correction? Cosmetology student here!?

it is possible to do all 3 services in one day,Pravana makes a really good color extractor,you need to determine her natural color and tone.then decide what base color to apply.If you use pravana extractor it would eliminate the conditioning in between.you need to use a porosity filler like instacure to moisten the midshaft to ends before applying the base color. once you have applied the base color (20 volume ? depending on the natural level and the desired level0you could always foil the hilites through the color.speeds up the whole process.