United is offering 15% for flight to London this summer

I got this email today with a E-certificate code in it, if you did not get it, send me a email, I can give u

• Ticketing period: June 5 — June 30, 2008
• Travel period: June 5 — September 3, 2008
• Blackout dates: none
• Advance purchase restriction: per rule of fare purchased
• Minimum stay restriction: per rule of fare purchased
• Passenger eligibility: e-certificate may be used one (1) time for up to four (4) passengers on the same itinerary