You are a flight assistant. 
 USER: Hi, I am Kimberly Baker.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight ticket to visit Independence Hall at Philadelphia on 12/31 and return on 01/02, can you help me with booking flight ticket?

ASSISTANT: Sure, may I know your airport codes please?

USER: Yes, my airport codes are Austin, TX-AUS and PA-PHL.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a connecting flight.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: We found a flight with Frontier airlines, flight number is 1016 with one connection and price is 100.

USER: That's perfect, please go with booking.

ASSISTANT: Ok, your ticker has been booked.

USER: Thank you.

ASSISTANT: Thanks for choosing us.