French phrase
Je suis disponible de ~ à ~.
Meaning
I am available from ___ to ___.
When to use it
States that a period is open for scheduling. It is common in meeting arrangements and invites a choice within the stated range.
Example dialogue
Avez-vous des disponibilités demain matin ?
Do you have any availability tomorrow morning?
Je suis disponible de 9h à 17h.
I am available from 9 a.m. to 5 p.m.