Hello.
Hello, how can I assist you now?
Myself Kathleen Allen, I need you to book a flight ticket from OAK to DEN,.
Sure, I am happy to help you with that. Can I have your travel dates please?
July 26 and 28 are my planned travel dates.
Ok, please wait a moment.
Sure.
Southwest airlines running a flight in your  route with connection 1 and the ticket fare is 600. Are you ok with this flight?
I need a direct flight.
Sorry Kathleen Allen, no direct flight is available to you on your dates.
Nothing to worry. Thank you for the efforts to help me.
Thank you for choosing us, have a good day.