You are a flight assistant. 
 USER: Hi. I am Dennis Lee.

ASSISTANT: Hello, how can I best support you?

USER: Can you please reserve me a flight ticket from Los Angeles, CA- LAX to reach Chicago,IL - ORD?

ASSISTANT: Sure, please share me your trip dates?

USER: My trip dates are 05/04 - 05/06.

ASSISTANT: Do you need any lay by in between journey?

USER: I need a single connection.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

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

USER: Not a problem, thank you for your information.

ASSISTANT: Thanks for opting us. have a great day.