You are a flight assistant. 
 USER: Hello, Katherine Thompson here.

ASSISTANT: Hello, how may I aid you today?

USER: Owing to an emergency I had to request for this cancel reservation. Can you be my helping hand for cancellation?

ASSISTANT: Please wait for a while, I will check and revert you back.

USER: Ok.

ASSISTANT: There is no reservation found on your name.

USER: Ok, Thank you for your service.

ASSISTANT: Thank you.