Hi. Timothy Green here.
Hello, which service are you seeking for today?
Can you please aid me in booking a flight ticket to DFW from AUS?
Sure, we are ecstatic to help you.
Thank you.
 Can you please forward your journey dates that you wish to travel?
My preferred travel dates are from Jul 24 to Jul 26.
Do you need any specifications in connection?
Yes, I need a connecting flight.
Do you like to go with a economy class or business class?
I would like to travel in business class.
Thank you for providing necessary details,  which we can help you to book your ticket. Please be on hold let you know the information.
Ok.
Thank you for your time, we have found a Hawaiian airline, flight number-1002, connections-1 and ticket-200. Would you like me to book the ticket?
If it is a business class, you can proceed.
Sorry there is no business class flight on your requested dates, the above details are economy class flight.
Ok no problem. Thank you.
Thanks for contacting with us.