Hi,.
Hello, how can I help you for the day?
I am Gary Smith. Can you please reserve me a flight ticket which is having it's return time in the afternoon?
Sure, I will help you with that. Can you please share your planned travel dates?
Thank you. My trip dates are 08/25 - 08/27.
May I know your source and destination codes?
My airport codes are SFO - IAD.
Do you  have any particular time for departing and returning?
Already mentioned above.
Do you have any other requirements?
I need a single connection.
There are no flights found on this route as per your details.
No issues, thank you for your information.
Thank you for reaching us, have a great day.