Hello.
user
Hello, how may I assist you today?
assistant
I would like to make a flight ticket reservation from Las Vegas to Washington, can you please help me to find a flight?
user
Sure, may I know your name please?
assistant
Thank you for accepting my request. My name is Justin Lopez.
user
May I know your travelling airport codes please?
assistant
The nearest airports to my desired locations are LAS and DCA.
user
May I know your class preference please?
assistant
No, I didn't have any class preference.
user
May I know your planned travelling dates please?
assistant
My preferable journey dates are September-27th and September-29th.
user
May I know your connection limit please?
assistant
I prefer at least a single stop over in between  my journey.
user
Sorry Lopez, there is no flight found as per your travelling dates.
assistant
It's ok, not a problem with that. Thank you for searching the flights.
user
Thank you for reaching us.
assistant
You are welcome.
user