You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER:  Owing to an emergency, I want to cancel my reservation. Can you please help me with that?

ASSISTANT: Sure, may I know your name please?

USER: Karen Hill.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry Hill, there is no reservation found as per your name in our database.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for reaching us with a query.