Select the correct passive form of the given sentence.
Anant had not booked a ticket for the USA as he has to visit there for his office meeting.
1
Anant had not been booked the ticket for the USA as he has to visit there for his office meeting.
2
Anant had not booked the ticket for the USA as he has to visit there for his office meeting.
3
The ticket was not booked by Anant for the USA as he has to visit there for his office meeting.
4
The ticket had not been booked by Anant for the USA as he has to visit there for his office meeting.