Allow customers to see date variations through the drop down AND scrolling through the calendar

Currently, we either have to set all dates within one main product service, which lets customers click through the calendar months OR use product variations for each date which means the customer selects their preferred date from a dropdown. We have tried both ways, and each way, customers get confused. They either just look at the current month and assume that the only available date is the one showing (if it’s still available), or they are scrolling through the months and not seeing the date they want, because they have not selected it from the drop down menu. We need to make it simpler for our customers to clearly see what dates are available, especially when the service is only available once every month or two.