I did something similar for the Walgreens website for my mother when vaccines were new and appointments were hard to come by, it worked pretty perfectly and we

I did something similar for the Walgreens website for my mother when vaccines were new and appointments were hard to come by, it worked pretty perfectly and we were able to schedule her an appointment shortly after she was eligible. Though, somewhat humorously, very soon afterward eligibility was expanded to everyone in my state and vaccination appointments were much easier to find.