Hello, I am William Evans.
user
Hello, how may I help you at this moment?
assistant
Can you aid me in booking a flight from DFW to EWR?
user
Sure, please send your travelling dates.
assistant
Sure, I would like to go on 12/17 and return back on 12/19.
user
Can I have a moment please? I will check the availability.
assistant
Ok, ensure it is a single connecting flight.
user
Sorry, there is no flight existing on your requested dates.
assistant
That's ok, thank you for checking.
user
You are welcome, have a nice day.
assistant