[2020] Ubisoft store refund not eligible

Earlier today I pre-ordered Assassin's Creed Valhalla for a friend (as a gift). As I'm not accustomed to digital purchases of games I accidentally purchased it on my recently created account instead of gifting it to his account (if gifting is even possible). I tried refunding but got a "not eligible for refund" note, then I tried creating a case on Ubisoft support and got an error "There was an error processing your request. Please try again later" (also live chat is not working). The question is, can I get a refund, then purchase the game on his account, or can the game be transferred to his account?
Thanks in advance!