You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me with booking a flight ticket from LAS to IAH?

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

USER: My planned travel dates are from Sept 08 to Sept 10.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I need a flight with connection limit-1.

ASSISTANT: Do you have any other specifications?

USER: Yes, I prefer to travel in economy class and return back in the afternoon time.

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

USER: Not an issue, anyway thank you for the information.

ASSISTANT: May I know your good name please?

USER: Sure, myself Christine Carter.

ASSISTANT: Thank you.

USER: Thank you for your service.