Hello, I am Justin Robinson.
user
Hello, How can I assist you?
assistant
Can you please help me to book a flight ticket from IAH - LAS?
user
Sure, May I know the travel dates?
assistant
My travelling dates are 10/09 to 10/11.
user
Please wait a minute.
assistant
 Sure.
user
Sorry, No flights found with your preferable dates.
assistant
No problem, thanks for your information.
user
Thank you for availing us.
assistant