Ответ:

Have you booked reception hall?

-Yes, I have already booked reception hall

- No, I haven't booked reception hall yet.

Have you hired DJ?

-Yes, I have already hired DJ.

- No, I haven't hired DJ yet.

Have you ordered flowers?

-Yes, I have already ordered flowers.

- No, I haven't ordered flowers yet.

Have you arranged seating plan?

-Yes, I have already arranged seating plan.

- No, I haven't arranged seating plan yet.