ticketcity Didn't deliver tickets Austin Texas

I ordered tickets to a college basketball game, North Carolina Tarheels VS Tennessee Vols in Tennessee, for my son for christmas and was told I would recieve an email with instructions on how to download them.  I never received the email.  I called every number available and went through an automated system every time that will not let you talk to a real person but it did say there was an order attached to my telephone number, yet I can't get ahold of anyone to tell me how to get the download.  I have emailed the email addresses they have given me that say they will respond within 24 hours and have not recieved any responses.  I tried using the live chat option on the website and can't get a response there either.  I don't have the money to replace the tickets and the game is December 17th and I have already told my son about it and now I have to tell him I can't go!! Thanks Ticketcity for ruining my kid's Christmas!! I will never ever use this company again!!!!