Yes, you can!
Your booking confirmation will be emailed to you within 72 hours of booking, and is also available to view and download in My Booking, should you need another copy.
Simply log in to My Booking. For further guidance on how to do this, please read How do I log into My Booking?
How do I download another copy of my booking confirmation?
Once you have logged in to My Booking, you will need to select Tickets and Documents from the left-hand menu. Once you are on the Ticket and Documents page, scroll down to the ATOL and Booking Confirmation.
If you scroll to the bottom of your booking confirmation, you will find the link you need to click on to download a copy of your booking confirmation.