Now I got this
"Today you received an email that incorrectly stated you had earned Companion Pass for 2017. This email was sent as a result of an error in our year end processing for Companion Pass status. Unfortunately you did not earn the status reflected. We recognize that receiving this email from us may have caused confusion and/or frustration, due to its inaccuracy regarding your 2017 status. For that, we offer our sincere apologies.
We admit this isn't the best way to start the New Year. That said, we appreciate your understanding when we make a human error like this one.
Sincerely,
Your friends at Southwest"