You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I am Kathleen Walker. I want to cancel my recent reservation due to some issues, can you please help me with that?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name in our database to cancel.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: You are welcome.