Hello, Robert Evans here.
user
Hello, how may I assist you?
assistant
 I want to book a flight ticket to Houston, TX - IAH to submit my research record at Houston university. Can you book me a ticket with a connecting flight?
user
Sure, may I know your travel dates?
assistant
My travel dates are 08/02 and 08/04.
user
May I know your origin airport code?
assistant
TX - DFW, Dallas & Fort Worth.
user
Do you have any specification?
assistant
Yes, I need a flight within the range 200.
user
There is no flight on your details.
assistant
Ok, Thanks for the information.
user
Thank you so much for choosing us.
assistant