Hello, I am Paul Walker.
Hello. How can I help you?
I would like to leave between 12/12 to 12/14, can you help me to book a ticket?
Sure, we are here to help you. Can I know your airport codes?
I would like to travel from OAK to LAX.
Please wait a while.
Ok.
Thanks for being waiting.
No problem.
 Unfortunately,  there is no flight found according to your requriments.
Thank you so much for your service.
Thank you for consulting us.