Hello.
user
Hello. How can I help you?
assistant
I am Dennis Thompson. I want to meet my friend in Washington, can you please help me in booking?
user
Sure, I will help you to book  a flight. Can you please provide me your travelling dates?
assistant
My travelling dates are 05/18 and 05/20.
user
Ok, may I know your airport codes?
assistant
I want to fly from LAX to IAD.
user
There is one flight is one flight is available for you with single connection.
assistant
Please proceed.
user
Your ticket is booked with flight number 1003 and airline is Frontier.
assistant
Thank you for booking.
user
Welcome.
assistant