Hello, Raymond Robinson here.
Hello Raymond, how may I assist you?
I am unable to book my ticket, can you help me in my booking?
Sure, I am here to help you.
My travelling locations are DCA to OAK.
Ok, may I know your preferable dates of travelling?
My planning dates are 09/10 and back to home on 09/12.
Ok, I have found a flight based on your details. Flight number 1009 from Hawaiian airline with 1 connection with the fare of 100 is available for  your request.
Ok, proceed to book and provide the flight details.
Ok, your ticket is booked with that.
Ok, thank you for your help.
Thank you for using our service, have a safe journey.