Ability to schedule more than one assist message on same URL

It would be really great if we could schedule several different assist messages with different, non-overlapping start and end dates for the same URL. We have been scheduling assist messages to show on our library homepage to alert users to various special hours for the library such as holiday closures, extended hours, etc. It would be great if we could set up all the messages for the semester at one time instead of waiting for one event to pass before creating the messaging for the next event.