You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Due to my ill health, I am unable to catch the flight. I would like to cancel my recent reservation.

ASSISTANT: Sure, can you please tell me your name?

USER: Sure, myself Nancy Campbell.

ASSISTANT: Nancy, I haven't found your previous reservation as per your information.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.