Hello. Myself Mary Martinez.
user
Hello, how may I guide you?
assistant
Can you please help me in booking a flight ticket from IAH to DEN locations?
user
Sure, can I know your preferable dates?
assistant
My travelling dates are from 03/16 and 03/18. Make sure I want a direct flight.
user
I am sorry, there are no flights available.
assistant
It's ok. Thank you for the information.
user
Thank you, have a good day.
assistant