Hi. I am Barbara Carter.
user
Hello, how can i help you today?
assistant
I want to book a flight ticket to attend a wedding at Washington on 04/21 and return on 04/23, so can you please help me with booking?
user
Sure, let me know your airport codes?
assistant
Sure, my airport codes are Orlando, FL-MCO and DC-IAD.
user
Ok, any other requirements?
assistant
I need a connecting flight.
user
Ok, please wait for a while.
assistant
                     Ok.
user
Thanks for waiting, no flights found with your requested details.
assistant
    That's ok.
user
Thank you for opting us.
assistant
Thank you for the response.
user