Hi, I am Brandon Harris.
user
Hello, how may I be at your service?
assistant
I want to change my existing reservation because my sister's marriage got cancelled.
user
Please wait a moment.
assistant
Ok.
user
Sorry, no reservation has been found on your name.
assistant
Ok, not a problem.
user
Thanks for choosing us. Hope to serve you next time.
assistant
Thanks for your quick response.
user