You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Myself Brain Hernandez, can you help me to book a flight ticket to Detroit on 07/18 and return on 07/20?

ASSISTANT: Sure, can you please share your airport codes?

USER: Ok, my source airport code is LAX and destination code is DTW.

ASSISTANT: Please wait a moment.

USER: Ok, will wait.

ASSISTANT: Thank you for your waiting, I found a flight for you in Hawaiian airlines with price 200. Can I proceed?

USER: That's is perfect. Please book the ticket.

ASSISTANT: Ok, your ticket has been booked with flight number 1019.

USER: Thank you for booking my ticket with Hawaiian airlines.

ASSISTANT: Thank you for choosing us. Have a great day.