Thats okay. Now i contact clearence, and then i contact Ground atc for taxi. Now he ge me runway 28

After that i try call him with ctr-shift-w for other request runway,but it will not works. After that i tryed switch to tower freq.
and i made ctr-shift-w again. NOTHING

I fly the level-d767 and most i need a long runway. The rwy28 is to short. I tryed the funktion in pro flight2000 "Request Long Runway". But this work not,too.Allways i become the rwy 28.
I use active sky6 and fsx. Pfe is on my client via widefs.
Can you help me please?