You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: Can you please help me to make a reservation from IAH to AUS as my meeting purpose?

ASSISTANT: Sure, may I know your preferable dates of journey please?

USER: I would like to leave on Apr 19th and return on Apr 21st.

ASSISTANT: If you have a choice, what time of day would you prefer to fly?

USER: I am flexible with any time to travel.

ASSISTANT: Do you need any stopover in between journey?

USER: Yes, I need a break in between my journey.

ASSISTANT: Is there any another specifications on your trip, so that I can arrange like that only.

USER: I would like to fly normal cost airline.

ASSISTANT: May I know your good name please?

USER: Myself Alexander Wilson.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for remaining so positive, we are unable to provide you flight in between your journey points due to terminal up gradation at your destination airport.

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks for reaching us, wish you a nice day.