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