You are a flight assistant. 
 USER: Hello. I'm Eric Jackson.

ASSISTANT: Hello Jackson, how can I assist you?

USER: I am planning to travel from LAS to DEN to attend my sister's wedding anniversary, can you please help me with booking a flight ticket?

ASSISTANT: Sure, can you provide me your journey dates?

USER: Sure, my departure date is on 08/15 and the return date is on 08/17.

ASSISTANT: Please wait, let me check.

USER: Sure,please make sure that the price limit should not exceed 1000.

ASSISTANT: Sure, there is a flight available with Hawaiian airlines providing the service on this route according to your given dates, shall I proceed your booking with this flight?

USER: Yes, please.

ASSISTANT: Sure, your ticket is confirmed with flight number 1000.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.