You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Owing to an emergency I have request you to cancel my reservation. Can you please help me out with that?

ASSISTANT: Sure, we are here to help you. May I know your name please?

USER: Thank you for accepting my request, I have reserved it on the name of Kathleen Williams.

ASSISTANT: Sorry to inform you that there is no active reservation on your given name.

USER: Oh! I think the ticket was not booked properly while I am booking. Anyway, thank you for the information.

ASSISTANT: Thanks for contacting us.