You are a flight assistant. 
 USER: Hi, Laura Allen here.

ASSISTANT: Hello, How can I help you?

USER: I want to attend to my nephew's wedding in Houston, TX - HOU. Can you please make a plane reservation?

ASSISTANT: Sure, May I know your origin point and travelling dates?

USER: I want to start from New York, NY - EWR on 03/04 and have to return on 03/06.

ASSISTANT: OK, Please wait a moment.

USER: Sure.

ASSISTANT: There is a flight  found that matches your information. Airline:Frontier, Flight number:1010 with price 500 and 1 connection.

USER: Price limit should not cross 200. So I need it within 200.

ASSISTANT: With your latest information there is no flight found.

USER: OK, no issue. Thanks for your response.

ASSISTANT: Thank you for contacting us.