You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: I am willing to cancel my reservation as I am suffering with fever. Can you help me with that?

ASSISTANT: Sure, I will help you with that.

USER: Thank you for considering my request.

ASSISTANT: May I know your name please?

USER: Sure, my name is Karen Collins.

ASSISTANT: I am sorry to say that there is no reservation found under your name.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for reaching us.