Hello.
user
Hello, how may I serve you?
assistant
Can you aid me in booking a flight ticket from DCA to PHL?
user
Sure, please send your travelling dates.
assistant
Sure, I would like to go on Jan 12th and return back on Jan 14th.
user
Do you have any class preference?
assistant
Ensure it is in a economy class.
user
There is a connecting flight available with Southwest airline, shall I proceed?
assistant
Ok, please proceed if the flight return time is in the evening.
user
May I know your name?
assistant
Myself Lisa Roberts.
user
Sorry, there is no flight available with your requirements.
assistant
That's ok, thank you for checking.
user
You are welcome, have a nice day.
assistant