How to redeem at a later date（till Jan 21, 2015）:
Go to united.com/shopforflights
Enter your origin and destination information.
Select your travel dates and enter your e-certificate number.
Select your flights. All selected flights must be e-certificate eligible to
receive your discount.
Choose your seat and purchase your flight.
Terms: http://www.unitedmileageplus.com/CPRTerms.jsp?GRP=1&CID=1417655
联系： c********[email protected]
付款： BOA
先款
