You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you help me to book a flight ticket from AUS to CLT?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travel dates are May, 26 and May, 28.

ASSISTANT: Do you have any other specifications?

USER: I need to return at afternoon time with connecting flight.

ASSISTANT: Please help me with your name for booking.

USER: George Parker here.

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your requirements.

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

ASSISTANT: Thank you for reaching us.