Hi.
user
Hello. May I know your name?
assistant
I need to book a flight ticket with price under 500, can you please book me a flight ticket? My name is Janet Campbell.
user
Sure, I can help you. Please share your travelling dates.
assistant
Ok, I would like to start on 02/10 and return on  02/12.
user
Can I know your travelling airport codes?
assistant
I would like to start from MN-MSP to TX-IAH.
user
Do you have any stop over?
assistant
Yes, I need a connection in between.
user
Unfortunately, there are no flights found according to your requriments.
assistant
That's ok, thank you for the response.
user
Thank  you for choosing us.
assistant