You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

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

ASSISTANT: Sure, can you share me your trip dates?

USER: My trip dates are Sept 20 and Sept 22.

ASSISTANT: Do you have any specifications?

USER: I need  a connecting flight.

ASSISTANT: Can I know your good name?

USER: My name is Rebecca Perez.

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.