Hello.
user
Hello, How May I be your helping hand today?
assistant
I am  Matthew Parker, I am planing to attend my grandmother's birthday in CA-SFO.
user
Ok, can you specify your Journey details please?
assistant
Sure, I would like to travel from 10/09 to 10/11.
user
Ok, please wait for a minute.
assistant
My starting point is DC-DCA.
user
Thanks for waiting. Sorry, there are no flights available for your Journey.
assistant
Thanks for your information.
user
Have a Nice day.
assistant