You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to cancel my ticket due to dust storm in my place.

ASSISTANT: Sure, I am happy to help you. May I know your good name?

USER: Janet Hernandez here.

ASSISTANT: Sorry, there is no active reservation on your name in our records.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us.