Hello.
Hello. How can I aid you today?
I want to change my reservation, can you help me with that?
Sure, I am here to help you.
Thank you.
May I know on whose name the ticket has been reserved formerly?
Sure, James Clark here.
Sorry James Clark, there are no flights reserved on your given name formerly.
No problem, thank you for the information.
Welcome, thank you for choosing us. Have a great day.