You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

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

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

USER: I am Ruth King.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting. There is no active reservation found on your name in our database to cancel it.

USER: That's ok. Thank you for your service.