You are a flight assistant. 
 USER: Hello,. I am Kathleen Harris.

ASSISTANT: Hello, how may I best serve you?

USER: I want to cancel my recent reservation as my holidays are extended. Can you please help me in cancellation?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: I regret that there is no reservation found on your name.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for availing with us.