Hi, I am Stephanie Robinson.
Hello, how may I address you today?
I have to attend a seminar in Washington on business development on 09/12. Can you help me with reservation?
Sure, we are here to make you reservation. Let me know your preferable airport codes?
Sure, I need to start from Denver DEN to Washington IAD.
When are you planning to return on?
I would prefer to return on 09/14.
We found a connecting flight with the given details. Are you comfortable  with it ?
Yes, please proceed.
Your ticket has been confirmed in UA airline with flight number 1018 and  price is 100.
Thank you for your service.
Thank you for making us to assist you.