Hello. I am Charles Wright.
Hello, how can I help you?
 Can you please help me in booking the ticket from SFO to LGA? As I'm planning to visit Oakland hills.
Sure Charles Wright, I am here to help you. Could you please forward your travelling dates?
My travelling dates are 04/17 and return on 04/19.
Ok, please wait for a while.
Sure.
Sorry, no flights found on your requested travelling dates.
No problem, thank you.
Thank you for choosing us, have a nice day.