Hi,.
Hello, how may I assist you?
 This is Patrick Jackson. Please book a ticket to reach San Francisco, SFO from Washington, IAD within 500?
Sure, may I know when are you planned to travel?
I planned to travel on 11/19 and return on 11/21.
Do you want any halt in between your journey?
Yes, Usually I prefer a connecting flight.
We found a flight on your details with airline Delta, flight number: 1026. Shall I reserve this ticket for you?
Everything's Fine, proceed for booking.
Ok. Your ticket has been booked.
Thanks for your assistance..
Thank you.