You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I am Jack Mitchell. I need to cancel my reservation due to my planned event got cancelled. So please help me with that.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Sorry, there is no active reservation found on your name in the database.

USER: Oh! it may not be booked properly. Anyway, thank you for your time.

ASSISTANT: Welcome, thank you for choosing us.