You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Could you please book a flight ticket from MCO to LAS?

ASSISTANT:  Sure, may I know your preferable dates of journey?

USER: I want to travel on June 03 and return back on June 05.

ASSISTANT: Do you like to go with a connecting or direct flight?

USER: I need a connecting flight.

ASSISTANT: Are there any other requirements?

USER: No.

ASSISTANT: Can I know your name for booking your flight ticket?

USER: I am Ryan Campbell.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for choosing us.