<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by cordelli:
Probably no airline will allow you to upgrade just by buying a lower clas of service ticket, if they did then they would never sell a business class ticket.</font>
WRONG! A lot of airlines play the buy a coach y fare and get first class for free so people can work around corporate "no more first class travel" rules.