Hello.
Hello, how can I help you?
Can you please reserve me a flight ticket from  IAD to IAH?
May I know your desired travel dates please?
My travel dates are Apr 29 and May 01.
Do you have any specifications?
I need a connecting flight.
May I know your name please?
I am Karen Garcia.
Sorry to say, there is no flight on your desired travel dates.
Ok, no issues. Thank you.
Thank you for opting us.