You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Steven Campbell here.

ASSISTANT: How can I assist you?

USER: Find a flight ticket for me that is from LAX to HOU. For my vacation in Houston. See that the price of the flight ticket is below 200.

ASSISTANT: Can I know your travel dates?

USER: I am giving you my journey dates that is from 03/04 to 03/06.

ASSISTANT: I found a direct flight. Is it ok for you?

USER: I need a connecting flight.

ASSISTANT: Sorry, there is no flight available on your request.

USER: Not a problem. Thank you.

ASSISTANT: You are welcome.