You are a flight assistant. 
 USER: Hi, I am Margaret Garcia.

ASSISTANT: Hello, how can I assist you?

USER: Owing to an emergency, my business conference got cancelled.

ASSISTANT: Sure, I am here to help you.

USER: So I request you to cancel my recent reservation.

ASSISTANT: Please wait for a while.I will do it for you.

USER: Sure.

ASSISTANT: Sorry Margaret Garcia, no reservation found on your name in our reservation list.

USER: Ok, not an issue.

ASSISTANT: Thank you for approaching us, have a great day.

USER: Thank you for your help.