You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER:  I am Daniel Hernandez want to visit Detroit, MI-DTW to meet my father-in-law. Can you book a ticket on 06/06?

ASSISTANT: Sure, can you please mention your return date?

USER: I will return on 06/08.

ASSISTANT: May I know your nearest airport code to book your ticket?

USER: I will depart from WA-SEA.

ASSISTANT: Please wait, I will check and get back to you.

USER: Ok.

ASSISTANT: Thank you for waiting. We found an airline Frontier of flight number 1028 having a halt and fare is 100. May I proceed with booking?

USER: Ok, you can proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for approaching us, have a nice journey.