You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may assist you today?

USER: Please help me to cancel my active reservation as my meeting was cancelled.

ASSISTANT: Sure, may I know your name for the cancellation purpose?

USER: Myself Charles Collins.

ASSISTANT: Your reservation found. Are you sure for this cancellation?

USER: Yes, please cancel it.

ASSISTANT: Your cancellation done from our end.

USER: Thank you.

ASSISTANT: Welcome, thank you for reaching us.