Hello.
user
Hello. How can I aid you?
assistant
I am Pamela Lewis. I am planning to travel from PHL to IAD, can you please help me in flight booking?
user
 Sure, Can I know your travelling dates?
assistant
I will start on Feb 28, return on Mar 01.
user
Do you need any break?
assistant
I want direct flight.
user
May I know your depart and return timings?
assistant
My return time should be morning.
user
Give me a minute.
assistant
Sure. I need a economy class.
user
Ok. Unfortunately, there are no flights found according to your requirements.
assistant
No problem, thank you.
user
Thank you for choosing us.
assistant