You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how exactly I can assist you?

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

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: I am Christopher Turner.

ASSISTANT: Please hold on for a second.

USER: Sure.

ASSISTANT: Thanks for holding on, we did not find any reservation in your name.

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

ASSISTANT: Thanks for approaching us, we hope to serve you again.