u dont have to go to emirates office just take a copy of credit card (front and backside of the card) and remember to scratch off the last 3 digits of the card copy (pin number)...also type a no objection letter taking ur hubbies signature ..stating ur hubby has usde his credit card for ur air ticket purchase...
Note: show it at the emirates checkin counter only if they ask or else keep it in ur purse..have a nice and safe flight.