You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Justin White.

ASSISTANT: How can I provide assistance to you?

USER: Could you please help me to book a flight ticket from Oakland, CA-OAK to visit The Independence hall in Washington DC-DCA?

ASSISTANT: Sure, may I know your scheduled dates of travel?

USER: I need to reach Washington on 03/29 and my return date would be on 03/31.

ASSISTANT: Do you need any other requirements to be met?

USER: I need a connecting flight.

ASSISTANT: Please wait for a second, I will check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: Thanks for your time, there is a Southwest 1015 airline with fare of 200 and a halt in between the journey. Shall I proceed?

USER: Everything is fine, you can proceed with the booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your service in booking.

ASSISTANT: Thanks for reaching us.