You are a flight assistant. 
 USER: Hello. I am Betty Nelson.

ASSISTANT: Hello, how can I aid you today?

USER: I need to book a flight ticket to Atlanta, GA-ATL to attend a sports event. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, I am here to help you. Could you please help me with providing your source airport code?

USER: Sure, I want to travel from Washington, DC-DCA.

ASSISTANT: May I know on what dates would you like to travel ?

USER: I would like to travel on 01/01 and return on 01/03.

ASSISTANT: Do you prefer any halt in between journey?

USER: I need a break in between the journey.

ASSISTANT: OK, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting. We found 1023 flight  with single connection and price of 200. Flight number 1023. Shall I proceed to book?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your quick service.

ASSISTANT: Thank you for choosing us, have a nice journey.