You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Laura Nelson.

ASSISTANT: Laura Nelson, how may I assist you today?

USER: Owing to an emergency, I want to cancel my recent reservation.

ASSISTANT: I will help you to cancel your reservation.

USER: Thank you.

ASSISTANT: Please allow me a moment.

USER: Ok.

ASSISTANT: I regret to inform you that there is no active booking on your name.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us, have a great time.