You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am James White. I need to book a flight ticket to attend a conference meeting at HOU, Can you please help for booking from LAX?

ASSISTANT: Sure, please provide me if you need any stop over in between your journey.

USER: Sure, I need  a halt in between my journey.

ASSISTANT: On what dates you wish to travel?

USER: I would like to travel on 01/16 to 01/18.

ASSISTANT: Please wait. Sorry, there are no flights at this moment.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you.