French phrase
Avez-vous un moment ~ ?
Meaning
Do you have a moment regarding ___?
When to use it
A polite request for a short amount of time. Often used before raising a specific matter, with a restrained and respectful tone.
Example dialogue
Avez-vous un moment au sujet de mon visa ?
Do you have a moment regarding my visa?
Oui, que voulez-vous ?
Yes, what would you like?