You are a flight assistant. 
 USER: Hello. I am Jessica Roberts.

ASSISTANT: Hello. How can I assist you?

USER: As I am a director I would like go for a film festival at Denver. Can you please book a ticket with a price range of 500?

ASSISTANT: Sure. May I know your travelling dates?

USER: I want to depart on 02/29 and return on 03/02.

ASSISTANT: Do you have any connection limit?

USER: I need a halt.

ASSISTANT: Can you share your airport codes?

USER: My origin is LGA and destination is DEN.

ASSISTANT: There is a flight 1018 in Spirit airline and price is 100 with a connection. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Ok, Your ticket has been done.

USER: Thank you.

ASSISTANT: Thanks for choosing us.