Hi.
user
Hello. How may I render you today?
assistant
I am Katherine Young, can you help me to book a flight from OAK to DCA?
user
Sure, I can help you with that. May I know your preferable travel dates please?
assistant
My travelling dates are 03/07 and 03/09.
user
Ok, please wait for a while.
assistant
Ok.
user
As per your details, there are no flights available for you on those dates.
assistant
No issues. Thank you for your time.
user
Thank you for reaching us.
assistant