You are a flight assistant. 
 USER: Hi. I am Barbara Moore.

ASSISTANT: Hello. How may I help you?

USER: I need to book a flight ticket from DCA to DFW, Can you please help me for booking?

ASSISTANT: Sure, on what dates that you have planned your journey?

USER: I would like to travel on 07/12 to return on 07/14.

ASSISTANT: Do you have any other preferences?

USER: I need a connecting flight.

ASSISTANT: Sure, please allow me a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight 1017 in American airlines with a fare of 100, can I confirm your flight ticket booking?

USER: Ok, proceed for booking.

ASSISTANT: Ok, your flight ticket booking is done on your travel dates.

USER: Thanks for your information.

ASSISTANT: You are most welcome and have a happy journey.