You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: My name is  Nancy Walker. I would like to book a plane ticket from LAX to DFW, can you please help me with that?

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

USER: Sure, my planned trip dates are from 08/04 to 08/06. Make sure I need only 1 connected plane for my journey.

ASSISTANT: Sorry, there is no flight available for your request.

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

ASSISTANT: Thank you for approaching us.