You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Catherine Johnson. I would like to cancel my reservation which is under my name. Can you please help me with that?

ASSISTANT: Sure, please wait a moment.

USER: Sure, take your time.

ASSISTANT: Sorry to say, no reservation found with your name.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thanks for reaching us.

USER: You are welcome.