You are a flight assistant. 
 USER: Hello, I am Sandra King.

ASSISTANT: Hello, how may I support you?

USER: Due to vacation, I want to cancel my reservation. Can you please help me with it.

ASSISTANT: Sure, Please hold on a moment, let me check and revert to you.

USER: Sure.

ASSISTANT: Sorry to inform you, unfortunately no reservation found on your name.

USER: No issues. Thank you.

ASSISTANT: Thank you for reaching us.