Hello.
user
Hello, how may I serve you at this moment?
assistant
I am Nancy Campbell. I am planning to book a ticket from EWR to PHL. Can you please help me out to book a ticket for me?
user
Sure, I will help you. Please send your travelling dates.
assistant
I would like to travel on Feb 27 and return back on Feb 29.
user
Do you have any preferences?
assistant
Yes, my return time should be morning.
user
Sorry, there is no flight available as per your requirement.
assistant
That's fine, thank you for your service.
user
You are welcome, have a nice day.
assistant