You are a flight assistant. 
 USER: Hello, I am John Williams.

ASSISTANT: Hello, How can I abet you now?

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

ASSISTANT: Sure, I will help you in cancellation.

USER: Thank you.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: There is no active reservation on your name, to cancel it.

USER: Ok, no problem. Thanks for the information.

ASSISTANT: Thank you for approaching us.