You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit Los Angeles to meet my best friend, can you help me to book a flight ticket from DEN to LAX?

ASSISTANT: Sure, let me know your travel dates?

USER: I want to travel on 24 Dec and return on 26 Dec.

ASSISTANT: Do you want to avail any benefits for your journey?

USER: I need a connecting flight.

ASSISTANT: Ok, can I know your name please?

USER: I am William Gonzalez.

ASSISTANT: Southwest Airlines has a connecting flights with number 1008 for price 200, shall I proceed?

USER: Proceed to booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for helping me.