Aarrggh! Last night went well for me, but I'm making up for it right now

I checked our return flights on Air Tran and discovered they changed our 1:46pm non-stop flight on Sept 1st to a 10:10am flight with 1 stop!
I've been on hold on the stupid phone for over 20 minutes with truly obnoxious, very loud hold music (the same "song" continuously) and every 30 seconds they say "Please hold and one of our representatives will be with you shortly" (Their definition of "shortly" and mine sure don't match!)
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Finally talked to someone and they changed us to a 5PM non-stop (I'm not thrilled since that is a long time to spend waiting around the airport). After I hung up, I got the confirmation and it doesn't show seat assignments anymore! Since when I booked in January I paid EXTRA to get seat assignments, I'm now really mad about all this!

I am BACK on hold with the horrid "music"! This was our first time to fly Air Tran in about 12 years or more and right now it is looking like it will be our last.
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OK - only on hold about 7 minutes that time! They have fixed it. THis is NOT giving me confidence in this airline. I guess I'll have to start checking the reservation regularly.
Pamela