You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Owing to an emergency, my planned trip to Navajo adventure got cancelled. So I request you to cancel my existing reservation.

ASSISTANT: Sure, may I know your name?

USER: Sure, Janet Rodriguez here..

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: Sorry, we could not find any reservation on your name.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us.