- Are you free… [Saturday night?]
- Are you doing anything… [Saturday night?]
- Let me check my calendar.
- (informal) Do you wanna… [see a movie?]
- (formal) Would you like to… [join me for dinner?]
- I’d love to!
- Sounds great!
- I’d love to, but I have another commitment.
- I don’t think I can.
- Maybe another time.
