Hello.
user
Hello, How can I assist you?
assistant
Can you  please book a flight ticket from HOU to AUS?
user
Sure, May I know the travelling dates?
assistant
Thank you. I have planned my travel  dates as Jan 17 and Jan 19.
user
Do you have any connection limit?
assistant
I am looking for single connecting flight.
user
Is there any other requirements?
assistant
I would like to depart and return in evening time so please  make sure that.
user
May I know your name?
assistant
Sure, myself Williams Smith.
user
Sorry, No flights found with your chosen dates.
assistant
Oh! It is sad to hear. Anyway, thank  you for your time.
user
Thank you for availing us.
assistant
Most welcome.
user