If you need to reach Emirates customer service regarding your Business class ticket name change, you can try calling their toll-free number at +1-855-590-3424. Be sure to have your booking details handy when you call so they can assist you efficiently.
https://www.airlineforums.com/threads/how-to-change-my-name-on-a-emirates-business-class-ticket-toll-free-no.67789/
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