Hello.
user
Hello. How can I serve you?
assistant
Can you please help me in booking a flight ticket from Washington, IAD to reach Las Vegas, LAS?
user
Sure, I can help you.
assistant
Thank you.
user
Can I know your travelling dates?
assistant
My journey dates are from Dec 07 to Dec 09.
user
Do you need any break?
assistant
Yes, I need a break in between journey.
user
May  I know your name?
assistant
My name is Rachel Hall.
user
Please share me if you have any other specifications.
assistant
I prefer to travel in economy class.
user
We found a connecting flight with a UA airline, flight number:1015.
assistant
Sure, you can proceed for booking.
user
Your flight ticket has been reserved with an economy class .
assistant
Thanks for your help.
user
Thank you for opting us.
assistant