French phrase
Du ~ au ~.
Meaning
From ___ to ___.
When to use it
Shows the beginning and end of a period or range. It is common for dates, schedules, travel plans, and bookings.
Example dialogue
Du 10 mai au 15 mai. Je voudrais réserver une chambre.
From May 10 to May 15. I would like to reserve a room.
D'accord, je vérifie les disponibilités.
All right, I will check availability.