Hello, I am Patrick Lewis.
user
Hello, how may I aid you?
assistant
I am planning to attend a music festival at Oakland, so could you please make a reservation with a connecting flight?
user
Sure, can you please provide your travel dates?
assistant
I want  to depart on 10/09 and return on 10/11.
user
May I know your journney points?
assistant
My source is Las Vegas, NV-LAS and destination is Oakland, CA-OAK.
user
Please wait a moment, I will check and revert you.
assistant
Sure.
user
Thanks for your time, Sorry there were no flights found matching with your requirements.
assistant
No problem, thank you for the information.
user
Thank you for choosing us, have a good day.
assistant