Well, after they told me that Biergarten was reserved and not BE OUR GUEST, I'm afraid that I became *that* guest. First time, I ever raised my voice to a CM and I've been going to Disney World since 1982! I said that's NOT FAIR. It wasn't MY FAULT. I reserved BOG 180 days in advance and now when I called to add a person, the reservation was changed to Biergarten by a CM. Well the new CM took my reservation numbers both new and old and said to hold and she will see what she could do. Then she comes back and says the restaurant says the original reservation was cancelled. That just added fuel to my anger but I took a deep breath and scoffed and said, of course, that's why I had a new reservation number. It was like the CM was trying to get me to admin that I deliberately cancelled the BOG and rescheduled to the Biergarten. Now, I know why some people just lose it when there's a problem!
I went back on hold but when the CM came back, she said her computer died!
Anyway, what she was finally able to do, BOG would reinstate the original reservation and she would add a note that another person would also attend. Plus she would cancel the Biergarten reservation.
Then at the end, she asked me if she could do anything else for me. I said no way, I wasn't touching any of my reservations again. ( I got Le Cellier and CRT reservedtoo).
Who knows what we happen when we show up for dinner! But like I said, I'm not call WDW Dining again.
Am I now on a "bad guest" list?
I would have been livid too, especially when the CM came back on line and told you that the first was cancelled and the second was the new reservation. UGG! Was he or she not listening AT ALL when you told him/her the first time?!! 
That is what would have really got my blood boiling. 
