Hello.
user
Hello. How can I aid you at this moment?
assistant
I am Steven Lopez, want to travel from DCA to LAS. Please help me.
user
Sure, I will aid you with that. Can you please mention your preferable travel dates?
assistant
My travel dates are from 07/13 to 07/15.
user
Ok, please wait a moment, I will check flight availability in this route.
assistant
Sure.
user
Sorry no flights are available in this route as per your requested dates.
assistant
That's fine, thank you.
user
Thank you for contacting us, have a nice day.
assistant