Hi Tori, and welcome to planDisney!
I am sorry to hear that one of the individuals in your travel party won’t be able to make it to
Walt Disney World Resort with you.
I see that you are traveling soon, so I want to answer your question as it is still valid. Yes, you can reassign a theme park ticket to another user as long as the ticket has not been used. Be sure to include the new guest on your
Family & Friends List so that the transfer can occur. To reassign a ticket, log into your
My Disney Experience and visit the "My Reservations" section of your account. Once you locate the tickets you want to have assigned, select the name and proceed through the process.
If your desired theme park is sold out and the
park hopper option is present on your theme park tickets, you may be able to “hop” to Magic Kingdom Park after 2:00 PM, provided they are not at capacity.
I hope that you are having the most magical vacation!
Raquel