Hello. I am Dennis Roberts.
Hello, how can I help you today?
 I want to travel from TX-IAH to TX-AUS to attend a meeting. Can you book a ticket?
Sure, will you help me with your travelling dates?
My travel dates are 10/10 and 10/12.
Do you have any price limit?
 I need  a connecting flight within 200.
Sorry, there are no flights on your journey dates.
 Thank you for your response.
Thank you for opting us.