You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you?

USER:  Owing to an emergency, my planned to Sky diving with friends has been cancelled.

ASSISTANT: Ok.

USER: Can you help me with that?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name to check the reservation list and cancel your ticket?

USER: I am Barbara White.

ASSISTANT: Please be on hold, I will get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, I regret that there is no reservation found on your name.

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

ASSISTANT: Thanks for your kind approach.