Hi, I am Robert Hall.
Hello, how can I help you?
I want to book a flight ticket to Philadelphia  with price under 200. Can you please help me with it?
Sure, may I know your travel dates please?
Travel dates are 09/01 and 09/03.
Ok, could you help me with your journey codes?
Airport codes are IAH-PHL.
Wait a minute please.
oK.
Thanks for your time,  sorry no flights found with your details.
Ok, no issues.
Thank you for reaching us, have  a nice day.