Hello, I am John Evans.
Hello. How can I assist you?
I am planning to visit Graffiti Park at Castle Hill in Austin, AUS. Can you please reserve me a  flight ticket?
Ok, may I know your source airport code?
Oakland. OAK is my source point.
Can you please mention your travelling dates?
My journey dates are, depart on 06/26 and arrival on 06/28.
Sorry, no flights found on your preferable dates.
Ok, no problem. Thank you for your information.
Thank you for reaching us.