Hello. Jonathan Robinson here.
user
Hello. How can I  help you?
assistant
I want to attend my sister birthday. Can you book my tickets from OAK to DFW?
user
Your travelling dates please?
assistant
My planned travel dates are 09/04 and 09/06.
user
Do you have any specifications?
assistant
I want a flight with maximum connection of 1.
user
What about your departure and return timings?
assistant
Make sure that, my depart time is evening and return time should be in afternoon only.
user
I am sorry no flights  found on your route?
assistant
No issues, thank you for the information.
user
Thank you for choosing us.
assistant