Hello, Samantha Martinez here.
user
Hello Martinez, how can I help you?
assistant
Can you help in ticket booking from HOU to AUS?
user
Ok, can I have your dates?
assistant
From 07/27 to 07/29.
user
Sorry  Samantha, as per your dates there is no flight matching. Thanks for your approach.
assistant
Ok. Thank you for the information.
user