You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know your name?

USER: I am Joseph Miller.

ASSISTANT: How can I help you, Joseph?

USER: I am really crazy about hill tricking that's the reason to travel Denver, CO - DEN on 05/21. Can you book me a flight ticket from NY - LGA?

ASSISTANT: Sure, may I know your return date of journey?

USER: My return date is on 05/23.

ASSISTANT: I found a flight for you with the ticket price of 200 from Hawaiian airline, shall I proceed booking?

USER: Yes, proceed.

ASSISTANT: I confirmed your ticket successfully with flight-1011.

USER: Thank you for the booking.

ASSISTANT: Have a nice trip, thank you for choosing us.