You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure,I will help you with that. May I know your good name?

USER: Sure, I have a recent reservation with name Debra Hernandez.

ASSISTANT: Ok, Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, no active reservation was found on your name in the database.

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

ASSISTANT: Thank you for opting us.