You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Michael Harris.

ASSISTANT: How may I lend a hand to?

USER: I need to cancel my reservation, can you help me out?

ASSISTANT: Harris, I am willing to help you for this. Let me check your reservation status in our database.

USER: Sure.

ASSISTANT: Harris sorry for inconvenience, no reservation is found on your name in our records.

USER: That's ok, thank you.

ASSISTANT: Thank you Harris for utilizing our agency.