You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Gregory Brown is here.

ASSISTANT:  How can I aid you?

USER: I am an artist and would like to exhibit my painting in Las Vegas NV-LAS. Can you please assist me in booking a plane ticket?

ASSISTANT: Kindly assign your scheduled dates?

USER: My scheduled dates are 04/02 and 04/04.

ASSISTANT: May I know your source point?

USER: My source point is Atlanta GA-ATL.

ASSISTANT: We found a connecting flight Delta with flight number 1012 and fare is 200.

USER: You can proceed with this airline.

ASSISTANT:  Your booking is confirmed.

USER: Thank you for your great service.

ASSISTANT: Thank you for opting us.