Hello.
user
Hello, do you need any help from us?
assistant
Can you please help me to book a flight ticket from EWR to MCO?
user
 Sure, may I know your departure and arrival day?
assistant
My travelling dates are Jan 15 to Jan 17.
user
Ok, could I have your name please?
assistant
William King.
user
Ok, do you need direct or connecting flight?
assistant
I need a connecting flight.
user
Ok, do you have any other specifications?
assistant
No.
user
 Sorry, there is no flight on your requested travelling dates.
assistant
No problem, thank you.
user