Hello.
user
Hello, how may I help you today?
assistant
 I am Dennis Turner want to meet my friends at DC-DCA from CA-OAK. Can you book a ticket?
user
Sure, may I know your planned travel dates?
assistant
My travel dates are 06/15 and 06/17.
user
Do you need halt in between your journey?
assistant
I need a connecting flight.
user
Please wait for a moment.
assistant
Ok.
user
Sorry, there are no flights found with your given dates.
assistant
No problem, thank you for the information.
user
Thank you for opting us.
assistant