would you take pity on me?

sent to united customer relations:

Hello,

I received your email address from a nice man named Sidart, who suggested I write you.
I am writing with a question/complaint about a free ticket voucher I received last year.

Last Christmas I gave up my seat on a United flight in order to make room for someone whose flight had been canceled the day before. In exchange, I received a voucher for a free round trip flight to use within the next two years.

I attempted to use this voucher this holiday season to fly from Burbank, Ca to NYC. I had picked out my flight times online: [insert flight times/dates here]. I phoned a reservations agent to redeem my voucher and was told that I could not fly at these times. I could only fly out on Dec 23 at 9:59 am and there were, in fact, no flights that I was eligible for to return on January 3rd. This does not work for me. I have to be at work on December 23rd and cannot fly out in the morning, and the fact that I cannot fly back on January 3rd at all clearly does not work, either.

Apparently, my voucher is only good for certain flights - W, V, and Q classes. I did not know what this meant - no one told me there would be restrictions, nobody explained what these "classes" were, and now I am stuck. Yes, there are flights out of LAX, but as I live 4 miles from Burbank Airport, that is clearly the more convenient option, not to mention that on these dates/times, I have no way of getting to LAX.

So basically, I am writing to see what there is that you can do for me. I feel a bit duped by the person who handed me this voucher and told me I could use it on any round trip flight I chose. I gave up my seat as a favor to you. I sat in an airport for 14 hours as a favor to you. I saw my family and friends one day late at Christmas as a favor to you. And now, I am asking, in the spirit of the holidays, please do a favor for me and help me book the flights I need.

Thank you in advance, and thank you for taking the time to read :)

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now we wait.