Hello.
user
Hello, how may I help you?
assistant
I am Samuel Johnson. Please book a flight ticket from IAH to MCO.
user
Sure, may I know your trip dates please?
assistant
07/27 and 07/29 are my travelling dates.
user
Do you have any other requirements?
assistant
Both depart and return time should be at evening and want a connecting flight.
user
Sorry, we regret to inform you that there is no flight available as per your request.
assistant
That's ok, no problem. Thank you.
user
Most welcome.
assistant