They will have closed the booking when you reach the theatre.
They will have closed the booking when you reach the theatre.
They will close the booking when you reach the theatre.
They will close the booking when you reach the theatre.
They had closed the booking when you reached the theatre.
They had closed the booking when you reached the theatre.
They would have closed the booking when you reach the theatre.
They would have closed the booking when you reach the theatre.
Correct Answer:
They will have closed the booking when you reach the theatre.
They will have closed the booking when you reach the theatre.