Hi.
Hello, how may I help you?
Could you please book a flight ticket from ORD to DFW?
Sure, I am here to help you. Can you please let me know your travelling dates?
My travelling dates are Dec 17 and Dec 19.
Is there any connection limit for you?
I need  a single connecting flight.
Do you have any other specifications to be met?
I want to depart in the afternoon and return  in the evening.
May I know your good name?
I am Rebecca Hernandez.
Sorry, no flights are available on your journey routes.
No problem, thank you for the information.
Thank you for contacting us.