Hello.
user
Hello, how may I guide you?
assistant
David Rodriguez here. I want to attend a Seminar in New York. Can you please help me for booking the flight ticket?
user
 Certainly, could you please share your departure and arrival dates?
assistant
My travelling dates are from 07/28 to 07/30.
user
Sure, can I know the respective airport codes of your mentioned locations?
assistant
My airport codes are from DTW to EWR. Make sure my price limit is 200.
user
Sorry, no flight is available for you as per your requests.
assistant
Anyway, thanks for the information.
user
Thank you for reaching us, have a good day.
assistant