It's simple you can go to the airport (EgyptAir building) and ask, if you want I can give you many phone numbers . Or Incha Allah after Ramadan, they will call you . Good luck, wish you all the best and Ramadan Karim.
شكرا عمر وياريت لو فى فعلا ارقام تليفونات وكل سنه وانت طيب الله اكرم :)