Hi.
Hello, how can I help you?
I want to book a ticket from SEA to DCA. Could you book a ticket?
Sure, please provide me your planned travel dates.
Travel dates are 07/26 and 07/28.
Do you prefer either economy or business class?
I would like to prefer business class.
Do you have any other preference?
I would like to depart in the afternoon time.
Sure, may I  know your name please?
My name is Michelle Carter.
We don't have any flight available for your journey.