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