Hello, I am Stephen Baker.
user
Hello, How may I aid you?
assistant
I want to travel from IAH to LAS for a vacation, Can you please book a ticket for me?
user
Sure, May I know your travelling dates?
assistant
My journey starts from 11/19 to 11/21.
user
We found that there is a flight available with UA airline, flight number  1017 with price 200 and 1 connection. Shall I proceed?
assistant
You can proceed.
user
Your flight has been confirmed.
assistant
Thank you.
user
Thank you for opting us.
assistant