Dear Madam,
This is a misunderstanding on your part. The final confirmation we emailed you a few days ago shows that pickup was arranged 60 minutes from flight landed time. When you called us, our driver was standing behind you , holding your name board. You may have gone through immigration checks faster than the average passenger. Our driver monitored your flight and came inside the terminal 55 minutes from flight landed time as of our confirmation. Passengers willing to pay waiting charges, request the driver to come inside 30 minutes from flight landed time. We haven't received such a request from you.