Hello, I am Dorothy Allen.
user
Hello. How can I aid you?
assistant
I am planning to visit one of the best places in Washington DC-DCA.So I would like to fly from Dallas & Fort Worth.
user
 Could you provide me your travel dates?
assistant
My travel dates are 12/09 and 12/11.
user
May I know your source point?
assistant
My source point is TX-DFW.
user
Do you have any connection limit?
assistant
I need a flight with single connection.
user
Sorry, no connecting flights are available on your travel dates.
assistant
Ok, not an issue. Thank you for your kind help.
user
 Thank you for availing us.
assistant