If you want to check the bookings in your profile you can check with the following steps;
Step 1: Firstly the customer has to "Login" into his profile with registered email ID or phone number and click on "My Bookings"
Step 2: In the next page you will get all your bookings. You can check as per your preference. Bookings will reflect as Upcoming, Completed, Cancelled and Failed.
Step 4: Check the details and select the flight as per the preference.
Step 5: In the next step you will get the complete details of the PNR. You can take action according to the preference