You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit Denver, please help me in booking a ticket from LAX to DEN.

ASSISTANT: Sure, May i know your travelling dates?

USER: My planned travel dates are on Sept 16 and Sept 18.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Any other preferences?

USER: No more preferences.

ASSISTANT: May I know your name?

USER: My name is Nicholas Garcia.

ASSISTANT: You have a direct flight 1001 in Hawaiian airlines and price 100, Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you.