French phrase
Donc, vous dites que ~.
Meaning
So, you're saying that ___.
When to use it
Used to confirm the other person's statement. Polite and slightly distant in tone.
Example dialogue
Donc, vous dites que vous voulez annuler la réservation.
So, you're saying that you want to cancel the reservation.
Oui, c'est bien ça.
Yes, that's right.