Hi.
Hello.
I am Catherine Parker.
How may I assist you?
 Can you please reserve me a flight ticket which is having it's depart time in the morning?
Sure, I am here to help you out. May I know your travelling dates please?
My travelling dates are 05/19 and 05/21.
Can you please share your airport codes?
My airport codes are LAS and IAH.
Can you please share your airline preferences?
I don't have any airline preference.
Do you prefer either business or economy class?
I am ok with any class.
May I know your connection limit please?
I need a connecting flight.
Wait a moment please.
Ok.
Catherine Parker, there are no flights available in your route.
That's ok, thank you for the response.
Thank you for choosing us.