You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me in booking a flight ticket to DCA from ORD?

ASSISTANT: Sure, may I know your name please?

USER: I am Nancy White.

ASSISTANT: Will you please let me know your planned travel dates?

USER: My planned dates are from Aug 12 to Aug 14.

ASSISTANT: Please provide your requirements.

USER: I need a connecting flight.

ASSISTANT: There is an airline called Southwest of flight 1004 in an economy class with single connection. Can I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.