You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Cynthia White here, I need your help in changing my flight reservation as I met with an accident. Can you please help me?

ASSISTANT: Sure, I will help you in changing.

USER: Thank you very much.

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no active reservation on your given name.

USER: Not an issue. Anyway, thank you for checking.

ASSISTANT: Thank you for reaching us.