Hello.
user
Hello, how may I assist you?
assistant
Laura Davis here. I would like to book a ticket from OAk to DCA, to attend a business meet.
user
Sure, may I know your planned travel dates please?
assistant
My travel dates are as follows Dec 08 and Dec 10.
user
 Which class do you prefer?
assistant
No, I have none.
user
Do you have any particular time for departing and returning?
assistant
Yes, I would like my return time in the morning and with a single connection flight.
user
Sorry, there is no flight available on your requested dates.
assistant
No problem. thank you for the information.
user
You are welcome.
assistant