Hi.
Hello. How can I help you today?
Could you please book a flight ticket from SFO to DCA?
Sure, can you share me your travel dates?
My travel dates are Oct 31 and Nov 02.
Is there any specifications?
I need  a single connecting flight.
Please let me know if you have any other specifications.
I don't have any other specifications.
Can I know your good name?
My name is Paul Davis.
Sorry, no flights are available in this route as per your requested dates.
Not a problem, thank you for the information.
Thank you for reaching us.