To book a room at the promotional rate of $99/night, go to www.theheldrich.com and you will see it says "BOOK ONLINE" on the bottom.
Select a check-in date of November 25 and click "Submit".
On the next page you will see several tabs on the top left (home, standard rates, corporate rates, groups, etc). Click on the "Groups" tab. A box will come up that says "Attendee code". Enter the code: 139470 and click "Attendee Login". Here you can book a room for Friday and/or Saturday nights at the promotional rate of $99/night.
You can choose from a room with 1 king bed or 2 double beds (if you would like to share with someone else).