You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Please book a flight ticket from CLT to AUS.

ASSISTANT: Sure, can I know your travelling dates?

USER: Mt trip dates are 10/16 and 10/18.

ASSISTANT: On which name should I reserve the flight ticket?

USER: Kevin Smith.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I prefer a business class seat.

ASSISTANT: Sorry, there are no flights found on given dates.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for reaching us.