You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Actually, I want to cancel my recently done reservation due to heavy floods at Denver, can you please help me in this intent?

ASSISTANT: Ok, can I have your name so that I can check your reservation to cancel it.

USER: Sure, my name is Brandon Young.

ASSISTANT:  Brandon Young, there is no reservation found with your name.

USER: That's fine.

ASSISTANT: Ok, thanks for approaching us.

USER: Thank you for contacting us.