Integrate Request to Assign Order for Magento 2 by MageComp that allows the users to request the admin for modifying the email address for the order they place and admin can sanction. The store owner can also modify the email address via the admin panel if the user has requested via email or call. Mail is sent for a follow-up to verify the change of email address with the users. Enhanced backend management for reviewing the history of transfers and information of changed email id. The extension is built-in to improve the customer experience of your Magento 2 store.
For More Details: https://magecomp.com/magento-2-request-to-assign-order.html