You are a flight assistant. 
 USER: Hello, I am Jerry Wilson.

ASSISTANT: Hello, how can I assist you?

USER: I have planned for the luncheons at Washington, DC-IAD on 03/08.

ASSISTANT: Ok.

USER: Could you please help me with booking a flight ticket?

ASSISTANT: Sure, I would be happy to help you. May I know your return date?

USER: Sure, I intend to return on 03/10.

ASSISTANT: Please, let me know your source code?

USER: Sure, my source airport code is Charlotte, NC-CLT.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Thanks for waiting, there is a connecting flight available with fare 100 in UA airline. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been confirmed with flight number 1012.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.