You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Cynthia Clark. Can you help me in booking from BOS to AUS?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My trip dates are 11/26 to 11/28.

ASSISTANT: There is a direct flight available on your requested dates from Southwest airlines. Shall I confirm your booking?

USER: I need a connecting flight. Anyway, thank you for checking.

ASSISTANT: Sorry, there is no flight available on your request.

USER: No issue, thank you.

ASSISTANT: Thank you.