You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I'm Nancy Johnson.

ASSISTANT: Nice to meet you Nancy.

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

ASSISTANT: Yes, please I will help you with flight ticket cancellation.

USER: Thank you.

ASSISTANT: Wait for a moment please.

USER: Sure, take your time.

ASSISTANT: I have searched online but I could not find your flight reservation to cancel it.

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

ASSISTANT: Thank you.

USER: You are welcome.