Hello,. I am Samuel Phillips.
Hello, how can I assist you?
I would have to visit Washington to meet my neice and surprise to her birthday on 04/11. Could you please help me for booking a flight ticket?
Sure, could you please provide your return journey date?
My return date is 04/13.
Please provide your airport codes.
My airport codes are  CA-SFO and DC-IAD.
Do you have any specifications?
Yes, price limit should be under 5000. I need one connection limit.
UA airlines of 1004 flight with single connection and price is 100. Shall I proceed for booking?
You can proceed.
Your ticket has been confirmed.
Thank you for your kind help.
Thank you, have a nice day.