You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be a help for you?

USER: My name is Benjamin Miller. Can you please book me a flight ticket to LAX to IAH?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, my trip dates are from 10/05 to 10/07. I nee 0 connected flight.

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

USER: That's ok, thank you for the information.

ASSISTANT: You are welcome.