Ok this morning i noticed on my booking they have changed the configuration from 3 to 4 on the 747-400 we are due to fly on and seats have become available for my flight out of Heathrow to San Francisco,now my question there have become available some 3 seats together upstairs,will these be at extra cost to my 3 economy seats down stairs,thanks in advance for any help....
Keith.....
Keith.....