You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I help you?

USER: I am Jack Hall. I have planned for a holiday vacation can you please book me a flight ticket?

ASSISTANT: Sure, may I know your journey details?

USER: My destination to PA - PHL and return on 11/22 from CA - LAX on 11/20.

ASSISTANT: Please wait a while.

USER: Please ensure that the price should not exceed 200 with one connection.

ASSISTANT: Ok. Thanks for being patient. There is a airline that matches your specification.

USER: Can you assign the flight details?

ASSISTANT: Airline:Southwest, flight number:1002 with 1 connection and the price is 100.

USER: I am ok with the flight details, you can confirm my booking.

ASSISTANT: Your flight ticket has been confirmed. Thank you have a great day.

USER: Thank you for your service.