I am selling my house through Better homes and gardens real estate and they have offered to give me approx. 120k miles on DL, TWA or NWA.They won't give me cash back. I want to go 1st cl. LAX to CDG this DEC. What can I do to get the best poss. ride?? Is there anyway to use the miles on a ny other airlines?? Thanks for any help anyone can offer.