Hello, I am Robert Campbell.
Hello, how may I help you?
I would like to go to a event in Houston, so could you aid me in booking a flight ticket to Houston?
Sure, I will help you with that. Can I have your travel dates please?
Sure, I would like to go on Aug 22nd and return back on Aug 24th.
Please wait for a moment.
Sure, take your time.
Can I have your preferable airport codes?
Sure, my source and destination airport codes are PHL and HOU.
Sorry to say, no flight is available for you.
That's ok, thank you for checking.
Thank you for reaching us, have a nice day.