Hello.
user
Hello, what can I do for you today?
assistant
There is a slight change in my existing reservation, can you please help me?
user
Sure, I am here to help you. Can you mention your name to check further?
assistant
Sure, myself Brian White.
user
Please wait.
assistant
Sure, I will wait.
user
 Sorry, no reservation found on your given name in our database to change it.
assistant
No issue, anyway thank you for checking.
user
Thank you for contacting us and have a nice day.
assistant