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

ASSISTANT: Hello. How can I serve you?

USER: I want to visit cathedral barilica of saint peter and paul in Philadelphia PHL.

ASSISTANT: Ok.

USER: Can you make a reservation on 12/01?

ASSISTANT: Sure. May I know your return date?

USER: Sure, I need to return on 12/03.

ASSISTANT: Where are you start your journey?

USER: I need to start from ATL.

ASSISTANT: Do you have any preferences?

USER: I need a stopover.

ASSISTANT: There is a flight 1011 in Southwest airline and price 100 with a connection. Shall I proceed?

USER: Please proceed.

ASSISTANT: Reservation is done.

USER: Thank you for your support.

ASSISTANT: Thank you.