Hello,. I am Anna Nelson.
user
Hello, how may I help you?
assistant
I want to change my existing reservation due to my football match got postponed, can you please help me with that?
user
Ok, please wait I will revert you in a moment.
assistant
Ok.
user
 Sorry, no reservation was found on your name.
assistant
Ok, no issues. Thanks for your information.
user
 Thank you for opting us.
assistant