Hello, I am Joshua Mitchell.
user
Hello, how can I aid you?
assistant
I am planning for a round trip to Washington, can you help me to book a direct flight?
user
Sure, I will kindly help you. May I know your travel dates and price limit?
assistant
I want to move on 06/13 and return on 06/15. The price limit is 1000.
user
Let me know the airport code, please?
assistant
My source and destination is DC - IAD.
user
Sorry for the inconvenience there were no flights found on given dates.
assistant
Ok, no problem. Thanks for your kind customer service.
user
Thank you for choosing us, have a nice day.
assistant