Hello.
user
Hello. How may I help you?
assistant
I am planning to visit a trip to Seattle SEA. Could you please help me with booking a flight ticket from LAS?
user
Sure, may I know your itinerary dates?
assistant
My journey dates are from 04/18 to 04/20.
user
Please hold on for a while.
assistant
 Sure.
user
May I know your name?
assistant
Sure, myself Virginia Thompson.
user
Sorry Virginia, no flight is available on your route.
assistant
No problem, thank you for searching.
user
Thank you for reaching us.
assistant