Hello @GHDS-Admin ,
I think I am understanding what you are looking to achieve, but I don't believe that you will be able to achieve it exactly that way.
If want guests to be able to choose, then they should go through the registration process themselves. So the main registrant could share the event link with their intended guests and let them know they will have to complete the registration to attend and make those three choices themselves. Add in verbiage to your landing page, registration form and the email invite with explicit instructions to send the link to their guests, and have their guests register themselves, so they can choose their top three with verbiage similar to below.
"Please have your intended guests register by following the link below,
(Insert link here).
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