Hi. I am Mark Wilson.
Hello, how may I be at your service today?
Can you please search a flight ticket from DEN  to OAK?
Sure, when you are planning to make your journey?
My planned dates are Aug 27 and Aug 29.
May I know your specific timings of your journey?
I need my depart flight at morning time.
Do you prefer any connection in between journey?
I need connecting flight.
Is there any more specifications do you need?
No.
Sorry to inform you that, there are no flights found based on your details.
Ok, fine thank you for checking.
Thank you for choosing us.