You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure, please mention your good name.

USER: I mentioned my name.

ASSISTANT: Please wait for a  while.

USER: Sure.

ASSISTANT: Your reservation is cancelled successfully.

USER: Thank you.

ASSISTANT: Thank you for reaching us.