Can I amend my tickets to an earlier time or date on Booking Portal? No - your tickets can only be amended to a date or time that is later than your original booked date or time. Related articles How can I use my teacher planning tickets? Can I change the date/time of my booking? What is Booking Portal and how do i access it? Is there a fee for changing the date/time of my tickets on Booking Portal? How many times I can amend the date/time of my tickets on the Booking Portal?