Hello.
Hello, how may I aid you now?
Due to some work, I want to change my previous reservation. Can you please help me for that?
Ok, may I know your name for checking your booking status?
My name is Dorothy Hall.
Please be on hold for a moment till I check with your status.
Ok, I will wait.
Dorothy Hall, there is no flight reservation found by your name.
Anyway, thanks for the information.
Thank you for choosing our services.