Hi. I am Jeffrey Lee.
user
Hello, how can I help you today?
assistant
Can you book a flight ticket from Denver, DEN to Oakland, OAK?
user
Sure, may I know your depart and return dates?
assistant
My journey dates are from 07/04 to 07/06.
user
Do you need halt in between your journey?
assistant
No, I need a direct flight.
user
Ok, please wait for a while.
assistant
Sure.
user
Sorry, there are no flights found with your given dates.
assistant
Ok, No issues. Thank you.
user
Thank you for opting us.
assistant