Hi. I am Stephen Edwards.
user
Hello, how may I assist you?
assistant
I am planning to travel from HOU to AUS, can you help in booking a flight  for me?
user
May I know your planned travel dates please?
assistant
My travelling dates are 06/03 to 06/05.
user
Sorry, there is no flight available on your requested dates.
assistant
That's ok.
user
Thank you for approaching us.
assistant
Thank you for your help.
user