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: Please let me know your name?

USER: Gregory Hill here.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name to cancel.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.