You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I need o cancel my reservation due to my planned event got cancelled. So please help me with cancelling my reservation.

ASSISTANT: Yes, I can help you.

USER: Thank you.

ASSISTANT: Can you tell me your name for checking?

USER: Sure, myself Virginia Lee.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: It's ok fine, no problem.

ASSISTANT: Thank you for contacting us.

USER: Anyway, thank you for your time.