Reservation confirmation is only possible through the account you logged-in to at the time of the initial reservation.
(Ex: After making a reservation as a non-member and when logging in as a member, you can not confirm the reservation)
Please check your reservation at Manage Booking on the Philippineairlines global site below.
You can check it by entering the booking reference and Last name of the passenger.
(However, Inquires about cancellation or change only be made through the place of purchase a ticket)