In order to be considered an exempt employee in California, an employee will generally need to meet a strict duties test. For most exemptions, more than fifty percent of an employee's time must be spent performing exempt job duties. Job titles do not determine a California employee's exempt or nonexempt status.
I haven't used Southwest gift cards before, but I have purchased tickets for my kids to fly without me. You can pay for the ticket with your credit card and as long as you fill in her details exactly as it appears on her ID she will use for travel, it should be no problem. If she has access to email, use her email address for the notifications.
Have you ever lent your credit card to a relative or friend to make a purchase, or bought something using someone else's card? Perhaps you've punched in someone else's card number on his or her behalf to facilitate an online order. Maybe you've signed your spouse's name on a credit receipt. Doing any of these things is in violation of the credit card agreement, which states that only the person whose name appears on a card can use that account.