Hello. I am Helen Thomas.
Hello, how can I assist you for the day?
Can you please assist me to reserve a flight ticket from San Francisco-SFO to Washington-DCA?
When you are willing to travel?
Thank you. I am willing to travel on the dates of OCT-23 and OCT-25.
Please wait for a moment. We found 1007 UA airlines with single connection with price 100.
Ok, take your time and make sure that the connection limit is 1. I am ok with  this flight, please go ahead with the ticket booking.
Your, booking has been confirmed.
Thank you for helping me in reserving a flight ticket.
Thank you for reaching us.