Hello.
user
Hello, how may I oblige you today?
assistant
Can you please change my reservation due to postpone of joining in an organisation?
user
Sure,  I am here to assist you. To proceed further, may I know your good name?
assistant
Christine Campbell is my name.
user
Ok, please wait a moment.
assistant
Sure.
user
Thank you for waiting. I have checked in reservation list to change your ticket, but could not find any reservation with your name.
assistant
Ok, no issues. Thanks for your service.
user
Thank you for reaching us, Have a great day!.
assistant