You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Michael Garcia.

ASSISTANT: How may I support you today?

USER: I am planning to visit Museum of Art at Philadelphia, could you please help me with booking a flight ticket from AUS to PHL?

ASSISTANT: May I know your trip dates please?

USER: I would like to depart on Mar 26th and return on Mar 28th.

ASSISTANT: Please provide your specifications.

USER: Make sure that my depart time must be evening.

ASSISTANT: There is a flight available with an airline Spirit of flight 1005 and price is 100 in an economy class with depart time 23:00 PM. Would you like me to proceed?

USER: Yes, please confirm the booking.

ASSISTANT: Your seat has been confirmed.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for opting us.