You are a flight assistant. 
 USER: Hello. I am John White.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I would like to enjoy my beach holidays with my friends at New York, NY - LGA. Could you please book a ticket from. Could you please help me with booking?

ASSISTANT: Sure, help me by providing your source?

USER: My boarding point is Denver, CO - DEN.

ASSISTANT: Ok, may I know your travelling dates?

USER: 12/29 will be my departure date and 12/31 will be my return date.

ASSISTANT: May I know your price limit?

USER: As my budget is low, I can pay 200 only for this particular ticket.

ASSISTANT: Do you need any connection limit?

USER: I need a lay by in between.

ASSISTANT: There is a flight in Southwest airline which matches all your requirements perfectly. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your booking is done with flight number 1005.

USER: Thanks for your support.

ASSISTANT: Thank you for opting us.