You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your good name please?

USER: I am Patricia Carter. I need to cancel my recent reservation, as I am suddenly fallen sick due to bad weather. Could you help me in cancelling?

ASSISTANT: Sure, then please wait.

USER: Ok.

ASSISTANT: Sorry, we didn't find your reservation.

USER: Ok, no issues.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: Thanks your information.