Hello.
Hello, how may I aid you?
Can you help me to book a flight ticket from PHL to OAK?
Sure, we are here to help you. Can you share me your planned journey dates?
My travelling dates are 28 and 30 of Nov.
Do you need any way station in your journey?
 I am willing to travel in a single connecting flight.
Do you have any specific time to travel?
No.
Do you have any other requirements?
No.
Sorry to inform you that, there are no flights available with your requirements.
It's ok, not a problem, thank you.
For documentation, may I know your name please?
I am Rachel Mitchell.
Thank you for choosing us.