You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm John Adams.

ASSISTANT: How may I help you?

USER: My business meeting has been cancelled. So, I would like to cancel my reservation. Can you please help me with that?

ASSISTANT: Sure, please wait a moment.

USER: Sure, take your time.

ASSISTANT: Thanks for your patience, there is no reservation found on your name to cancel it. Thanks for reaching us.

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