I will buy the tickets tomorrow.
I book the flight.
I bought the tickets today.
I buy the tickets.
I was buying the tickets.
I have bought the tickets.
I booked the flight.
I have booked the flight.
I am buying the tickets
The tickets have been bought by me.
The tickets are being bought by me.
The tickets will be bought tomorrow by me.
The tickets were being bought by me.
The tickets were bought by me
The flight has been booked by me.
The flight is booked by me.
The tickets are bought by me.
The flight was booked by me.