Welcome to Just Answer and thanks for your question. You should check again after 24 hours. You will probably find that the account has been debited. If it hasn't, there is the possibility that they have debited the wrong account with a similar number, and that could present a problem down the road, when the other person reports a debit on their account that they didn't make. An e-ticket does give you permission to fly, but the charge for the ticket will still have to be paid at a later date or they will take legal action. There are no freebies.