You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I want to cancel my reservation, so please help me in the cancellation.

ASSISTANT: Sure, please provide your name to check from our database.

USER: Myself Robert Harris.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: We regret to inform you that there is no active reservation found on your name.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for contacting us.