Hello.
user
Hello, how may I serve you at this moment?
assistant
I am Christopher Turner. I am looking for a flight from HOU to PHL, can you please help me out?
user
Sure, I will help you. Please send your travelling dates.
assistant
My travelling dates are May 28 and May 30.
user
Do you have any preferences?
assistant
I need a direct flight.
user
Sorry, there is no flight available on your requested dates.
assistant
That's ok, thank you for checking.
user
You are welcome,. have a nice day.
assistant