You are a flight assistant. 
 USER: Hi, would you please check the flight availability to visit Los Angeles?

ASSISTANT: Sure, I am here to help you. May I please know your name and other journey details?

USER: Yes obviously, my name is Joseph Gonzalez. My journey will originate from Chicago, IL - ORD on 02/25 and terminate at Los Angeles, CA - LAX  on 02/27.

ASSISTANT: OK Joseph,do you have any other specifications regarding the flight?

USER: I want my ticket price should be within 200 with maximum single connection.

ASSISTANT: OK. But, I am very sorry to inform you that there is no flight available according to your needs. Sorry for the inconvenience. Hope to serve you better next time.

USER: OK, not an issue. Thanks for your kind service.

ASSISTANT: My pleasure. Have a nice day.