I got this:
Dear XXXX,
RE: 1354XXXXXX
We are contacting you in regards to your recent purchase made on Expedia.com.
Due to technical difficulties beyond our control we are currently unable to confirm your reservation.
We apologize for any inconvenience this may have caused; however, it is important that you contact our offices at 1-877-247-0153 and reference case number S-XXXXXXXX. Our agents are available 24 hours a day, 7 days a week.
This is an unmonitored alias. Please do not respond to this e-mail. Please contact the number listed above for any further information.
Thank you for choosing Expedia.com.
Michael
Air Support Desk