You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

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

ASSISTANT: Sure, may I know your good name please?

USER: Sure, Stephen Thomas here.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, unfortunately there is no reservation found on your name.

USER: Ok, no worries at all. Thanks for your assistance.

ASSISTANT: Thanks for approaching us.