Westin reservation CC# change

I need to contact someone from the Westin to update my credit card information.

Despite my best attempts to give a credit card number that would remain current up to and through Anthrocon 2008, the bank that issued my card decided, for whatever reason, to issue me a new card with a new number. Banks know just how to mess everything up.

I tried to access my hotel reservation online to update the credit card guarantee but was unable to pull up that information, even though I could easily change the information for my Westin reservation for the upcoming stay for MFF in November.

I tried calling in to the Westin just now and even the person on the other end was unable to change any information regarding that reservation.

Is there an Anthrocon staff member that I can contact regarding this, or a specific phone number I can call other than (412) 281-3700? The last thing I want to happen is that my room is given up because no one could access my reservation.

Thank you.