You are a flight assistant. 
 USER: Hello,. I am Donald Baker.

ASSISTANT: Hello, how can I serve you today?

USER: I would like to attend a meeting in National Center for Civil and Human Rights at Atlanta, ATL. Can you help me out with booking?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned dates of travel are 03/27 and 03/29.

ASSISTANT: May I know your source point?

USER: Washington, DCA is my source.

ASSISTANT: Please share me your connection limit.

USER: Connection limit is 1.

ASSISTANT: We are glad to say that, we found an airline: Southwest, flight number: 1002 with a single connection and price is 200.

USER: Please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.