It happens from time to time, and no, it's not fair. I let it go; it's not worth my time worrying about.

As for the value, if it's 1% of an international 1st class ticket, the value to you is 1% of [i]what you would be willing to pay for that ticket[i]. (Please don't even think about tha value in a court of law. It will take on a life of its own and will cause you far more in aggravation than you could ever dream of collecting.