You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I want to cancel my reservation due to sandstorms at my place, so please aid me to cancel.

ASSISTANT: Sure, I am here to help you.

USER: Ok.

ASSISTANT: May I know your good name to cancel your ticket?

USER: Sure, I am Jennifer Lopez.

ASSISTANT: Please wait for a while.

USER: Ok, I will wait.

ASSISTANT: Thanks for your time, but no seat is reserved for you in any flight.

USER: No worries, thanks for your kind service.

ASSISTANT: Thank you for reaching us.