Have them call Kintetsu travel and IACE they both have NY offices and buy in bulk from the airlines. Another nice feature is they will both usually hold a ticket for you for up to a week in case you still want to shop around and will only charge when you give them the ok.
http://www.iace-usa.com/scripts/iace...AT=TOP&OPT=TOP
http://www.kintetsu.com/bookings.htm