My pleasure.

U.S. Department of Justice
Civil Rights Division
950 Pennsylvania Avenue, NW
Disability Rights Section - NYAV
Washington, DC 20530

Some other helpful links

http://www.usdoj.gov/crt/ada/enforce.htm

http://www.usdoj.gov/crt/ada/infoline.htm

As noted in the text of the enforcement sections, you need to first attempt to resolve the matter with the offender first, but getting no satisfaction from Continental will be a no-brainer when you go through the "WE COULDN'T CARE LESS" hot line.