You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: My name is Christopher Smith, I want to book a flight ticket from PA - PHL to TX - HOU to shoot a movie in Houston.

ASSISTANT: Please provide me your planned travel dates.

USER: My departure day is 06/30, return day is 07/02.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: We are glad to say that, we found an airline: Southwest, flight number: 1018 and price is 200.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for choosing us.

ASSISTANT: Thank you for opting us.