You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How can I oblige you today?

USER: I have a plan to explore the Global Culture, but due to heavy rains, I dropped to go. So, please cancel my ticket.

ASSISTANT: Sure, we are here to help you. Let me know your name for further checking.

USER: Sure. I am Donna Green.

ASSISTANT: Thanks for sharing your name.

USER: Ok.

ASSISTANT: We have found a reservation with your name, Shall I proceed for cancellation?

USER: Yes, you can go ahead with cancellation.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for reaching us.