Hello.
Hello, how can I support you today?
 I am Shirley  Johnson. I want to book  a ticket to CA-OAK  to meet my friends. Can you book a direct flight?
Sure, may I know your source point?
I will depart from IL-ORD.
Please share me your travelling dates.
My travelling dates are 12/20 and 12/22.
Sorry to say that, no flights were found with your given details.
 Ok, thank you for your response.
Thank you for opting us.