You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, can I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Please mention your trip dates.

USER: My trip dates are Sept 10 and Sept 12.

ASSISTANT: Is there any other specifications?

USER: I want to depart in the evening.

ASSISTANT: May I know your good name?

USER: My name is Kathleen Miller.

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 reaching us.