You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you at this moment?

USER: Can you aid me to cancel my reservation due to emergency?

ASSISTANT: Sure, I am here to help you with that, can I know your good name to proceed further?

USER: Katherine Clark here.

ASSISTANT: There is no active reservation found under your name.

USER: No issue. Thanks for the help.

ASSISTANT: Thank you for choosing us.