Hello, myself James Brown.
Hello. How can I assist you at this time?
I need to modify my reservation as my exams destination got changed to DTW. Can you please help me out?
Sure, please give me some time to check it.
Ok.
When I have checked, there is no reservation found for the name that you have mentioned for checking.
It's ok, anyway thank you for the checking my reservation and providing me the information.
That's my pleasure and thank you for reaching us.
You are most welcome.
Welcome.