You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER: I am Jonathan Brown. I am planning to visit Las Vegas NV-LAS, could you please help me in booking a flight ticket from Philadelphia PA-PHL?

ASSISTANT: Sure, I will help you with booking. May I know your planned journey dates?

USER: My planned journey dates are 09/25 and 09/27.

ASSISTANT: Do you need any connection in between your flight journey?

USER: I am comfortable with any flight.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, I found a connecting flight 1001 of airline AA, class is economy and fare is 100.

USER: Please reserve it.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for visiting us, have a nice journey.