Why not use a known name save file as master save file which contains names of all other save files?
- Create a save file “MASTER”
- Save your game with any name e.g “Savegame1”
- Add Savegame1 in “MASTER”'s file list
to load
1.Load Save file MASTER
2.Get the name of all save files from step 2 above
3.Load the save file you want from the list.