Ken,
It depends on who you book with. Carnival may not (I'm not sure) which means most agencies might not either.
But someone who goes above and beyond will make it happen for you, especially if they want you as a client.
And YES - that is a shameless plug!
DS - 
Cruise Specialist
ShipVacations.com
888-650-9990 or
ShipVacations - NOW on Twitter at http://twitter.com/ShipVacations
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NOTHING beats the knowledge of an experienced (licensed and certified) travel consultant or cruise counselor!
Carnival ♥ Travel Agents
Carnival Platinum Member
Princess Elite Member - Commodore
RCCL - Expert Plus
Cruise History-
RCCL Oasis of the Seas 9/4/10 (Future Cruise)
Carnival Dream 1/23/10, 1/30/10 (Future Cruise)
Carnival Splendor 3/24/09
SeaDream 12/4/08 (Holy Cow - What an Experience!)
Dawn Princess 5/4/08
Carnival Spirit 3/21/08
Elation 2/28/08 and 1/17/08
Carnival Liberty 10/07
Disney Magic 7/22/07
Carnival Paradise 1/12/07
Carnival Victory 9/4/06 and 5/1/05
Carnival Pride 6/11/06
HAL - Ryndam 9/05
NCLA - Pride of America 7/8/05
Caribbean Princess 4/16/05
Carnival Elation 2/27/05
RCCL Monarch of the Seas 12/17/04
Ecstasy 9/3/04

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