Hello, my name is Raymond King.
Hello, how can I help you?
I would like to attend my friend's birthday at Washington, please book a ticket from ORD to DCA.
Ok, may I know when are you planning your journey?
My preferred dates are 09/04 and 09/06.
King, please give me a minute.
Sure.
There are no flights available with your preferences.
Ok, no problem. Thank you for your information.
Thank you for contacting us, have a good day.