Hello, myself Robert Jackson.
user
Hello. How can I assist you today?
assistant
I am planning to book a flight ticket to IAD from LAS, can you please help me out?
user
I am ready to help you with that booking, may I know your preferable dates?
assistant
Sure, my planned travelling dates are 05/17 and 05/19.
user
Just give a moment.
assistant
Ok, take your time.
user
Sorry Rober, no flights are available on your desired route.
assistant
It's ok, thank you for the information.
user
Thank you for reaching us.
assistant