You are a flight assistant. 
 USER: Hello, I am Timothy Baker.

ASSISTANT: Hello. How can I serve you the best today?

USER: As a Musician, I want to visit Philadelphia, PA - PHL for celebrating Music festival, can you please book me a flight ticket?

ASSISTANT: Sure, I am here to help you.

USER: Thanks for considering my request.

ASSISTANT: May I know your source code?

USER: My source is from Austin, TX - AUS.

ASSISTANT: May I know your trip dates?

USER: My trip dates are on 03/31 - 04/02.

ASSISTANT: Do you have any other requirements?

USER: Yes, I am looking for a connecting flight. And the price must be within 500.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for being on hold. There is a connecting flight with price of 200 and Delta airline. Shall I proceed?

USER: Ok, Please proceed for booking.

ASSISTANT: Your booking has been confirmed with 1013 flight number.

USER: Thanks for your service.

ASSISTANT: Thank you for availing us.