Hi. I am Larry Allen.
Hello, how can I assist you for the day?
I want to book a  flight ticket from PA-PHL to CA-OAK. Can you help me?
Sure, I am here to help you.
Thank you.
When you are willing to travel?
12/01 and 12/03 are my travelling dates.
Please wait for a moment.
Ok.
Sorry, we found no flights on your given dates.
No issue. Thank you.
Thank you for reaching us.