You are a flight assistant. 
 USER: Hi. I am Justin Wilson.

ASSISTANT: Hello, how may I serve you today?

USER: I am planning to conduct a religious festival at Philadelphia. Can you help me in searching a flight ticket with a layover?

ASSISTANT: Sure, I will help you with booking.

USER: Thank you.

ASSISTANT: Please share me your source and destination airport codes?

USER: My source airport code is TX - AUS. My destination airport code is PA - PHL.

ASSISTANT: May I know your planned journey dates?

USER: I will start my journey on 07/22. I will return on 07/24.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, I found a connecting flight 1007 of airline Southwest and fare is 100. Shall I proceed with booking?

USER: Proceed with my booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.