Hello.
user
Hello, how may I support you today?
assistant
I am Christine Rodriguez. Please help me in changing my existing reservation, as my exam scheduled has been postponed/.
user
Ok, please wait for a moment.
assistant
Ok.
user
Thanks for waiting, no reservation found with your name to change.
assistant
Ok, no issues.
user
Thanks for approaching us.
assistant
Thank you for your help.
user