You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I need to cancel my ticket due to my health issue, can you help me?

ASSISTANT: Sure, I am here to help you. May I know your name please?

USER: I am Janet King.

ASSISTANT: Please wait for a mean while.

USER: Sure.

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

USER: That's ok. Thank you.

ASSISTANT: You are welcome.