What did C.P. RL mean when he said "Nov 7-8"?

"We continue to hire at a great pace, brining on approx. 45 pilots to the Air Group Nov 7-8. There are still four hiring sessions remaining in 2017, looking to add another 90+."

AS didn't bring on 45 pilots in 2 days (11/7-11/8). Anyone know what he means?