Hello, I am Christine Lee.
user
Hello Lee. How may I guide you today?
assistant
I would like to go to a event in Las Vegas, so could you aid me in booking a flight ticket to Las Vegas?
user
Sure, I will help you with that. Can you please provide your planned dates of travelling?
assistant
Sure, I would like to go on 02/25 and return back on 02/27.
user
Ok, may I know your origin and destination airport codes for booking?
assistant
My source and destination airport codes are IAD and LAS.
user
Please wait a moment to check the flights on your route.
assistant
Ok, ensure it is a single connecting flight.
user
We regret to inform you that there are no flights moving to your region with your planned dates of travelling.
assistant
That's ok, thank you for checking.
user
Thank you for reaching us, hope you have a great day.
assistant