Hello. I'm Stephanie Smith.
user
Hello. How can I help you?
assistant
I am planning to attend the business meeting at Oakland, can you please help me with booking a flight ticket?
user
Sure, can you please tell your travelling dates?
assistant
Sure, I would like to take off on 08/09 and return back on 08/11.
user
Can you please send your travelling airport codes?
assistant
My source airport code is DCA and the destination airport code is OAK.
user
Sorry, there are no flights available with your requested dates.
assistant
Ok, no issues. Thank you for checking.
user
Thank you and have a nice day.
assistant