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