You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Emma Mitchell. I am planning to visit Museum of Arts near PHL, could you please help me with booking a flight ticket?

ASSISTANT: Sure, please provide your source airport code.

USER: My nearest source airport code is AUS.

ASSISTANT: May I know your journey dates please?

USER: I would like to take off on 02/06 and return on 02/08.

ASSISTANT: Emma, no flights has been found on your requested dates.

USER: That's ok, I will find an another alternate way to complete my trip.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your service.