You are a flight assistant. 
 USER: Hi, I'm Rebecca Moore.

ASSISTANT: Hello, Rebecca. Welcome to flight booking agency services, how can I help you?

USER: I am CEO of Zee company, planned for a meeting with all stake holders. But it was cancelled, due to some problem in business. Can you help me to cancel my reservation?

ASSISTANT: Sure, I will help you with that.Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry Rebecca, there is no reservation found on your name.

USER: Oh! that's fine. Thank you for your time.

ASSISTANT: Thank you for approaching us, have a nice day. You are welcome.