Hello.
user
Hello, how may I oblige you today?
assistant
I would like to change my flight reservation as my trip got postponed, can you please help me?
user
Sure, may I know your good name?
assistant
I am Katherine Carter.
user
Ok, please wait for a minute.
assistant
Sure, take your own time.
user
I have checked in reservation list to change your ticket, but could not find any reservation with your name.
assistant
That's ok, thank you for checking.
user
Thank you for choosing us.
assistant