Hi.
user
Hello. How can I assist you?
assistant
I am Justin Gonzalez. Can you help me to book a flight with 500 price limit?
user
Ok, may I know your travelling dates?
assistant
My travelling dates are 03/05 and 03/07.
user
May I know your travelling airport codes?
assistant
My preferable airport codes are DCA and DTW.
user
Sorry, there is no flight is available for you.
assistant
Ok, no issues. Thank you for your time.
user
Thank you for choosing us, have a nice day.
assistant