Hello, Kimberley Thompson here.
Hello. How may I aid you?
Can you book a ticket to DCA from IAD?
Sure, I will help you in booking your flight reservation. Could you please let me know your travel date?
Sure, I would be happy to travel on 05/07 and 05/09.
Ok, please give me a moment.
Ok, please take your own time.
Thank you for your patience. UA airlines with flight number 1015 is available for you with single connection. Do you like me to proceed the booking?
Ok, please proceed with the booking.
I was able to book your flight ticket successfully. Happy journey.
You are welcome.
We are much obliged to serve you.