You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I render you today?

USER: I am Mary Brown.

ASSISTANT: Ok.

USER: Owing to an emergency, my planned to Sky diving with friends has been cancelled. Can you help me in my cancellation?

ASSISTANT: Sure, I will help you with that. Please wait a while.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, we found the reservation on your name, are you sure you want to cancel it?

USER: Yes, please cancel it.

ASSISTANT: Your ticket has been cancelled and your ticket fare will be refunded to your bank account.

USER: Thank you for your kind response.

ASSISTANT: Thank you for approaching us. Have a great day!.