Hello.
user
Hello, how can I assist you now?
assistant
I am looking for a flight from EWR to IAH, can you please help me in booking?
user
Sure, I will help you with that. Can I have your  travel  dates  please?
assistant
I will start my journey on Mar 31 and return back on Apr 02.
user
Ok,  please let me know your  preferable airlines.
assistant
I am fine with any airline.
user
Do you  have any other specifications?
assistant
I need a direct flight in economy class and my depart time is afternoon.
user
Can I have your  good name  please?
assistant
My name is Kathleen Roberts.
user
Sorry to inform you that no flight is available to you on your  planned  dates.
assistant
That's ok, thank you for checking.
user
Thank  you for choosing us, have a  good day.
assistant