Hi, I am Brandon Lee.
user
Hello, how may I assist you today?
assistant
I need to meet my uncle at Oakland on 04/13 and return on 04/15, can you book me flight ticket?
user
Sure, may I know your airport codes?
assistant
Yes, I would like to travel from CA-SFO to CA-OAK.
user
Please wait for a while.
assistant
Sure.
user
Thanks for waiting, there is no flights found on you given requirements.
assistant
That's ok, thank you for the response.
user
Thank you.
assistant