You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to book a ticket from DCA to ORD. Can you please help me out?

ASSISTANT: Sure, to book a ticket may I know your planned travel dates?

USER: I am planning to travel on Mar 23 and return back on Mar 25.

ASSISTANT: Kindly mention your name please?

USER: My name is Susan King.

ASSISTANT: Please share me your requirements.

USER: I am looking for a connecting flight.

ASSISTANT: There is an airline called Southwest of flight 1005 in an economy class with single connection. Shall I confirm your booking?

USER: That's fine, please proceed the booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you.