You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Can you please help me in booking a flight ticket from LAS to CLT?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure, my travel dates are from Nov 12 to Nov 14.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I would prefer connecting flight for my trip.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I would like to return in the afternoon time.

ASSISTANT: Can you please provide your name to proceed further?

USER: Samuel Phillips here.

ASSISTANT: Sorry, there are no flights available at your request.

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

ASSISTANT: Thank you for contacting us, have a nice day.