You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this time?

USER: Stephen Collins here.

ASSISTANT: Glad to meet you Collins.

USER: I was made a reservation to Chicago for attending a business meeting.Suddenly the meeting got cancelled. Can you please help me for cancelling my reservation?

ASSISTANT: Sure, I will help you with cancelling your reservation. Please give me a moment.

USER: Ok, take your time.

ASSISTANT: Thank you for waiting. Sorry Collins, no reservation has found under your name to cancel it.

USER: Anyway, thank you for the information.

ASSISTANT: Most welcome. Thank you for reaching us.