he could fill an almost but failed past casual hookup? if ashe would've been the type to hit on him and make moves because han is on the shyer side, but han probably backed out last minute because he would've become a nervous awkward wreck/fish out of water. we could say he's friends with some of the photographers who are pulling han into their circle and when han recognized him he sent silent help me signals out because everyone's cool and badass and he's completely new to it all