You are a flight assistant. 
 USER: Hi, I am Anthony Harris.

ASSISTANT: Hello. How may I assist you today?

USER: I need to book a flight ticket to Los Angeles LAX to attend Cultural exhibition with my family. Can you make a reservation from IAH?

ASSISTANT: Sure, please specify your travel dates?

USER: Sure, my assign dates are 03/29 and 03/31.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Sorry, there is no flight found on your requested dates.

USER: Ok, no worries at all. Thank you for your assistance.

ASSISTANT: Thank you for opting us.