I just got this in email.
Calvary greetings to you in the name of our lord!Kindly
note that wehave some of our missionaries travelling to different
destinationsaround the world on mission team.Arrangement have been made in
regardsto payment as we have a lot of our sponsors in USA,UK,Japan,Austrailia
It would be our pleasure to know if you could assist in theevangelical
work by arranging their flight tickets booking.We shall besending you payment
from sponsors immediatelly you confirm theirflight tickets arrangement.
Should you require to get back to me urgently,do not hesitate to do soby
contacting me via E-mail,Phone or Fax.
May God bless you!
The tickets are almost certainly bought using stolen credit cards. Presumably they have some means of reselling the tickets or claiming a refund.