German phrase
Ich bin am ~ verfügbar.
Meaning
I am available on ___
When to use it
Use this to state when free. It is polite and common for scheduling.
Example dialogue
Ich bin am Montagvormittag verfügbar.
I am available on Monday morning.
Danke, dann plane ich das Meeting um 10 Uhr.
Thanks, then I'll schedule the meeting for 10 a.m.