Hi.
Hello.
I am Justin Miller.
How may I assist you today?
 I am a doctor and I would like to travel Washigton to treat my patient who is suffering with paralysis from past two months on wards, so can you find a flight ticket for me from Oakland-OAK to Washington-IAD?
Sure, I am here to help you to book  a flight ticket from Oakland.
Thank you for considering my request.
Please provide your travel details to search best flight for you.
Sure, I have planned to travel on 03/23 and back on 03/25 with a direct flight in my journey.
Wait for a minute, let me check the available flight.
Sure, I will wait for your response.
Based on your request there is a flight with price 600 with ailrine Southwest. Shall I proceed with this flight?
I am ok with the flight that you have mentioned, you can confirm my flight ticket booking in the above mentioned flight.
Your ticket has been booked with your name and flight number 1011.
Thank you for your great service in my flight ticket booking.
My pleasure, have a safe journey.