You might also want to check
www.seatguru.com for a good seat selection. You will be on a 764 and if you are alone there are single seats in the middle where no one will disturb you if you or someone sitting next to you get out of your seat.SeatGuru will also Identify certain seats that are less desirable than others.I have also found that sitting closer to the Galley insures your choice of meal selection before they run out of certain preferred main course selections.
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