Hello,.
user
Hello. How may I be of your helping today?
assistant
I want to change my existing reservation as my schedule dates of travel are postponed.
user
Ok.
assistant
Can you help me in changing my reservation?
user
Sure. May I know your name?
assistant
I am Joseph Taylor.
user
Ok. Your reservation is not done earlier to proceed further.
assistant
No, issues.
user
Thank you. Have a nice day.
assistant
Thank you for kind response.
user