"Žofie is waiting for me."
Translation:Čeká na mne Žofie.
Čekat na někoho = to wait for somebody. Pro is wrong here.
To reproduce the diacritics you could swith to a different keyboard layout (awkward without the right stickers on your keys) or copy them from somewhere.
But don't worry! We often ommit the diacritics when discussing on the internet.