Hi.
Hello. How may I assist you?
I am Katherine Gonzalez. Can you please book a flight ticket from IAH to DFW?
Sure, I am here to help you out. May I know your travelling dates please?
Ok, my travelling dates are 10/22 and 10/24.
Can you please share your connection limit?
I need a connecting flight.
Do you have any particular time for departing and returning?
I want to depart in the evening and return at afternoon.
Wait a moment please.
Ok.
Katherine Gonzalez, there are no flights available in your route.
 That's ok, thank you for the response.
Thank you for choosing us.