would say
Pourquoi est-ce qu'elle dirait non ?
Why would she say no?
Une minute, Professeur, que dirait Tante Lucy ?
Just a minute, Professor, what would Aunt Lucy say?
— Paddington 2 (2017)
Ça te dirait d'aller voir un film samedi ?
Would you like to go see a movie on Saturday?
Ça te dirait qu'on aille pique-niquer, mercredi ?
Would you like to go for a picnic on Wednesday?
— A Taxi Driver (2017)