Once you log in to system (www.europeanportraitstudios.com/EPSPackage), you can click on "My Vouchers" option available on the menu, you will be able to see all your purchased vouchers in a list.
You can find the camera icon (Schedule/Reschedule) below your voucher details, you can click on the icon and select your convenient date and time (slot) and book your photo shoot.
You can click on the information icon below in the list for viewing all your (past and present) photo shoot details.
You can click on the printer icon available at the end of the list for printing or reprinting your voucher code.
You can click on my account option available on the menu. You can update your details like your first name, last name, address, change your password.
Yes, certainly you can reschedule your photo shoot. However maximum limit of photo shoot rescheduling per sitting is allowed to 2.