How To Know The Available Flight @ GRS?

What is the available flight on 22 July from Manila to London?
You can find the available flight by this entries in GRS.

A22JULYMNLLON

After making the entries above all available flight from different airlines will appear on the screen.

Other entries are : AMNLLON     -  Availability for today.
                            A.FRMNLLON   - Availability for next Friday

GALILEO....