You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I would like to meet my client at Washington-DC, please help me to book my flight ticket from ORD to DCA.

ASSISTANT: Sure, We are  to help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: I will depart on Dec 26th and return back on Dec 28th.

ASSISTANT: Do you need any break?

USER: Yes, I need a connecting flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Kimberly Carter.

ASSISTANT: We found a connecting flight with an Southwest airlines, flight number:1016.

USER: Great!.

ASSISTANT: Can I reserve it?

USER: Sure, please book the ticket.

ASSISTANT: Your flight ticket has been reserved with an economy class.

USER: Thank you very much.

ASSISTANT: Thank you for reaching us.