Hi.
Hello, how may I help you today?
Justin Evans here. Due to my health problem I want to change my reservation, can you please help me to change my reservation?
Sure, I am here to help you with this. Please wait for a mean while.
Ok.
Sorry Evans, there is no reservation found as per your name to change my reservation.
That's ok, thank you for your help.
You are welcome and have a great day.