Hi. I am Donald Hill.
Hello, how may I be there for you?
I am planning for a round trip in Oakland, so can you please book me a direct flight?
Sure, may I know your airport code?
 Yes, my airport code is CA-OAK.
When are you planning to travel?
I am planning to travel on 10/02 and return on 10/04.
Ok, please wait.
Ok.
Thanks for waiting, There are no flights at this moment on your required dates.
That's ok. Thank you for the response.
Thank you for picking us.