Hi.
Hello.
I am Gary Campbell.
How may I help you?
Can you help me booking flight from Houston, because I have to submit  project report in Denver so can you help me for booking?
Sure, I am happy to help you.
Thank you.
Can I know your travelling dates?
My travelling dates are 07/07 and 07/09.
Ok, may I know your travelling dates?
My travelling airport codes are IAH to DEN.
Ok, wait for a minute.
Sure.
Yes Gary, I have found a flight with the AA airlines having a connection limit 1. Shall I proceed with the booking?
Ok, proceed to booking that flight.
Yes, your ticket is confirmed with the flight number 1010.
Thank you for confirming my flight ticket.
Thank you for reaching us, have a happy journey.