1 TICKET TO SHARM EL SHEIKH £400 O.N.O ?

I brought this flight for my son to fly out and meet me in sharm for a holiday but due to college enrolment he was not able to join us. I brought thus ticket for £540 but i want £400 as it is spare and would need the extra money and some lucky person will enjoy this holiday for a not so dear price. The flight is leaving from London Gatwick at 10:10 Am This is a direct flight and well worth the money. CONTACT AS SOON AS POSSIBLE so that name on ticket can be changed: Number:Sara-07403860284