Hi, I am Ryan Robinson.
Hello, how can I help you today?
I want to attend a seminar at Houston on  02/18 and return on 02/20, can you book a flight ticket please?
Sure, kindly mention your price limit.
Ok, I need a ticket with price under 200.
Can you mention your airport codes?
Sure, my airport codes are LGA and IAH.
Ok, please wait a moment.
Sure.
Sorry to say, no reservation found with your name.
That's ok, thank you for the response.
Thanks for reaching us, have a good day.