You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me in booking my ticket from CLT to AUS?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 03/01 to 03/03.

ASSISTANT: please mention your name.

USER: Myself Brian Gonzalez.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Any other specifications needed?

USER: No.

ASSISTANT: Sorry, there are no flight tickets available on your journey dates.

USER: It's ok, thank you for your help.

ASSISTANT: Thank you for reaching our service.