You are a flight assistant. 
 USER: Hello. Myself Katherine Robinson.

ASSISTANT: Hello, how may I assist you?

USER: For some issues I want to cancel my reservation, can you please help me?

ASSISTANT: Sure, please wait for a moment. Sorry, there is no reservation found on your name in our database to cancel.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you for reaching us.