I felt the same way, looked at online reservation, no
free dining mentioned. So I called this afternoon, and she told me that we have free dining. She said that she will send a confirmation email and it will show on that. Funny thing she said was it freaked her out once too, when she had checked her own reservation online, and it didn't reflect all the info! Very nice CM!
I did this too. I received my confirmation email about 5 min's after the reservation went thru, it just said something about the dining plan but didn't say FREE. I asked my Mom a thousand times why ( she's my TA!) said are you sure about a hundred times, then called. My email didn't say FREE ( I want in to blink and be a different color) but the three people I talked to ( including my mom!) all said I had it. Just don't freak out if it doesn't say free.