Hi.
user
Hello.
assistant
I am Karen Perez.
user
 How can I aid you?
assistant
I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?
user
OK, please wait I will revert you in a moment.
assistant
Ok.
user
 Sorry, no reservation was found on your name.
assistant
That's Fine. Thank you.
user
 Thank you for availing us.
assistant