Hi.
user
Hello. How may I help you today?
assistant
My name is Carol Hall. Can you please book a flight ticket from MCO to ORD?
user
Sure, may I know your travelling dates?
assistant
My travelling dates are 10/19 and 10/21.
user
Do you need any connecting flight?
assistant
Yes,  I need a connecting flight.
user
Sorry, there are flight tickets available on your travelling dates.
assistant
That's ok, thank you for the response.
user
Thank you for reaching our service.
assistant