You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

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

ASSISTANT: Sure, I am here to help you to cancel your reservation. May I know your name?

USER: Sure, I have a existing reservation with name Ronald Hernandez.

ASSISTANT: Sorry, no reservation found on your name to cancel your reservation.

USER: Ok, no worries at all.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.