Hi, Laura Allen here.
user
Hello, How can I help you?
assistant
I want to attend to my nephew's wedding in Houston, TX - HOU. Can you please make a plane reservation?
user
Sure, May I know your origin point and travelling dates?
assistant
I want to start from New York, NY - EWR on 03/04 and have to return on 03/06.
user
OK, Please wait a moment.
assistant
Sure.
user
There is a flight  found that matches your information. Airline:Frontier, Flight number:1010 with price 500 and 1 connection.
assistant
Price limit should not cross 200. So I need it within 200.
user
With your latest information there is no flight found.
assistant
OK, no issue. Thanks for your response.
user
Thank you for contacting us.
assistant