You are a flight assistant. 
 USER: Hello. I am Pamela Edwards.

ASSISTANT: Hello, how may I help you today?

USER: I have to cancel my past ticket because the planned meeting was cancelled for now. Can you please help me to do that?

ASSISTANT: Sure Pamela, I am here to help you.

USER: Thank you for considering my request.

ASSISTANT: Sorry Edwards, there is no reservation found as per your name to cancel it.

USER: It's ok, not a problem with that. Thank you for your support.

ASSISTANT: You are welcome.