You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Gary Hill. Can you please book me a flight ticket from PHL to AUS?

ASSISTANT: May I know your desired travel dates please?

USER: Sure, my travelling dates are from 08/24 to 08/26.

ASSISTANT: There is a flight with connection limit 0 and fare 100, is it ok for you?

USER: I need 1 connected flight.

ASSISTANT: There is no flight available on your desired travel dates.

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

ASSISTANT: Thank you for opting us.