Hello.
Hello. How can I assist you today?
Can you aid me to book my ticket from OAK to DCA?
Sure, will you mention your travelling dates please?
My trip dates are Dec 1 and Dec 3 respectively.
Do you have any preferences about flight connections?
I  prefer for single connecting flight to travel.
Do you have any preferences about class?
My return time should be in the evening.
Please mention your name.
Kevin Carter here.
There is no flights found under your preferable details.
Thanks for the help.
Welcome, have a great day.