Hello.
user
Hello, how may I oblige you today?
assistant
I want to change an existing reservation, so please help me in changing the reservation.
user
Sure, I will help you with that. May I know your good name?
assistant
This is Timothy Harris.
user
Ok, please wait for a while.
assistant
Ok.
user
Sorry, there is no active reservation found on your name in the airline database.
assistant
Not an issue. Thank you.
user
Thank you for reaching us, have a good day.
assistant