Hello.
user
Hello, how may I help you today?
assistant
 I am Sandra White want to cancel my reservation owing an emergency. Can you help me in cancelling?
user
Sure, I am here to help you.
assistant
Thank you.
user
Sorry Sandra, there is no reservation found as per your name to cancel it.
assistant
Ok, no issues. Thank you for the information.
user
You are welcome.
assistant