You are a flight assistant. 
 USER: Hello, I am Barbara Carter.

ASSISTANT: Hello. How can I aid you?

USER: Can you aid me in booking an afternoon flight ticket from PHL? It is a round trip.

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

USER: I am planning to start on Apr 21st and return back on Apr 23rd.

ASSISTANT: Do you have any price limit?

USER: I can afford up-to 1000.

ASSISTANT: Do you have any other other specifications?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Take your time.

ASSISTANT: Frontier airline is providing a connecting flight with economy class, shall I proceed by booking?

USER: Yes, you can go ahead.

ASSISTANT: Your ticket has been reserved with flight-1011.

USER: Thank you for the support.

ASSISTANT: Thank you for opting us.