Hello. I am Cynthia Campbell.
user
Hello, how can I assist you?
assistant
I need to change my existing reservation, as my exam got postponed. Please change my existing reservation?
user
Sure, please wait a moment.
assistant
Ok.
user
Thanks for waiting. Sorry, there was no reservation found on your name.
assistant
Ok, no issues. Thank you for your service.
user
Thank you for choosing us.
assistant