Hello.
user
Hello, how can I assist you now?
assistant
I am looking to book a flight ticket to attend a event in Philadelphia. Can you help me for booking a flight ticket from PHX to PHL?
user
Sure, I am happy to  help you with that. Can I have your travel dates please?
assistant
My travelling dates are Oct 24 and Oct 26.
user
Ok, please let me know the timings of your journey too.
assistant
My depart time is evening.
user
Do you have any other specifications?
assistant
I prefer to book a business class.
user
Ok, please let me know your good name to proceed further.
assistant
My name is Patricia Edwards.
user
Sorry to inform you that no flight is available to you on your dates.
assistant
That's ok, thank you for checking.
user
Thank you for choosing us, have a good day.
assistant