Hi.
user
Hello, how may I assist you today?
assistant
 I need to change my existing reservation as my meeting got changed due to some technical issues, can you please help me with this?
user
Sure, we will help you. Can I have your name to check the reservation list?
assistant
I am Samantha Wright.
user
Ok. please be on hold.
assistant
Ok.
user
Thank you for waiting, no reservation was found on your name.
assistant
Ok, no problem. Thanks for your information.
user
Thank you for choosing us.
assistant