Hi.
user
Hello, How can I serve you today?
assistant
I would like to attend a cultural event which is going to be conduct at  Oakland, CA-OAK ON 06/03. I need your help in booking a ticket.
user
Sure, Let me know your origin point and travelling dates?
assistant
My origin is NV-LAS and I have to return on 06/05.
user
Ok, wait for a while. May I know your name?
assistant
My name is Scott Hernandez.
user
Thank you for being patience. Unfortunately, We could not find any flight that matches your data. Thank you for reaching us.
assistant
Ok, Thanks for your information.
user