You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me in booking a flight ticket from DFW to LAX?

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

USER: Sure, my travel dates are from Apr 25 to Apr 27.

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

USER: I would like to prefer connecting flight for my trip.

ASSISTANT: May I know your good name please?

USER: Myself Virginia Hall.

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

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.