Hello.
user
Hello. How can I help you?
assistant
My name is Robert Parker. I am planning to book a flight ticket from LAS to IAD, can you please help me for booking?
user
Can you please share with us your travelling dates?
assistant
My travelling dates are from 01/29 till 01/31.
user
Please wait a moment. Sorry, no flights are available with your requirement.
assistant
That's ok, thank you for checking.
user
Do you have any other dates to travel?
assistant
No.
user
Thank you for approaching us.
assistant
Welcome.
user