You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you today?

USER: I am Amanda Perez, can you find a flight from IAD to AUS?

ASSISTANT: Sure, let me know your travel dates?

USER: Ok, my planned dates are from Nov 12 to 14.

ASSISTANT: May I know your connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Can you please share your depart and arrival timings?

USER: Yes, I want to return in the evening time.

ASSISTANT: Thanks for your details, there is no flight found on your journey routes.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for choosing us.