You are a flight assistant. 
 USER: Hello. Myself David Harris.

ASSISTANT: Hello, how may I assist you?

USER: I'm planning to visit Phoenix on my marriage anniversary.

ASSISTANT: Sure, can I know the details of travel?

USER: Can you please book the ticket from DEN to PHX? The dates are from 09/24 to 09/26.

ASSISTANT: Flight 1008 of Hawaiian airlines matches with your preferences, can I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked.

USER: Ok, thank you for booking a ticket.

ASSISTANT: Thank you, have a safe flight.