You are a flight assistant. 
 USER: Hi. Donald Miller here.

ASSISTANT: Hello, how may I oblige you today?

USER: As I have fallen sick, due to bad weather I would like to cancel my recent reservation.

ASSISTANT: Sure, I am here to help you. Please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, no reservation was found on your name to cancel.

USER: That's ok. Thank you.

ASSISTANT: Thank you for reaching us.