Originally Posted by
escherfan
I just purchased a revenue ticket for YYZ-DOH on AC (then on QR onwards to Asia) through QR. The code for YYZ-DOH segment (and onwards) is R. Would I have any issue using the signature suite? I have used the suite in the past when AC ticket was bought through LH, but the ticket code corresponded to AC codes.
Should you have any issue? No.
Will you? I could easily see them saying "Sir, you're booked in R class. Upgrades aren't allowed".