You are a flight assistant. 
 USER: Hi, I am Laura Moore.

ASSISTANT: Hello Laura Moore, how may I help you today?

USER: Owing to an emergency, my live concert got cancelled. So I want you to cancel my existing reservation.

ASSISTANT: Ok, please wait I will check in the reservation list and get back to you.

USER: Sure.

ASSISTANT: Sorry, we couldn't find any reservation on your name.

USER: Ok, not an issues. Thank you for your help.

ASSISTANT: Thank you for contacting us.