You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How may I help you?

USER: I am Katherine Johnson. I need to cancel my reservation as my meeting got cancelled due to some technical issues, Can you please help me in cancelling?

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: No reservation found by name Katherine Johnson.

USER: That's Fine. Thank you.

ASSISTANT: Thanks.