You are a flight assistant. 
 USER: Hello, Mary Baker here.

ASSISTANT: Hello, how can I provide assistance to you?

USER: As I am an actor, I want to attend Film festival at Phoenix, PHX.

ASSISTANT: Sure, we are rapturous to help you. May I know on which dates you are willing to travel?

USER: My journey dates are Feb 5 and Feb 7.

ASSISTANT: Can you please provide your take off airport code?

USER: I want to board from Chicago, ORD.

ASSISTANT: Do you prefer any specifications in between your journey?

USER: Yes, I need a halt.

ASSISTANT: I found Southwest airline is available on your dates which matches your essentials and it costs you only 100.

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done with the flight number 1025.

USER: Thank you.

ASSISTANT: You are welcome.