Hi, I am Steven Brown.
Hello,Steven. How may I aid you?
I need to book a ticket from  Chicago ORD to visit the places in Seattle SEA on 01/25.
May I know your arrival date?
Sure, I intent to return on 01/27 from SEA.
I will check and get you back.
Sure.
Glad to inform you,there is a flight ticket which is matching your requirement. Airline:AA with one connection of cost 100.
You can proceed with booking.
Give me a minute.
Ok.
Your ticket has been booked,congratulations!. Have a safe journey. Thank you.