You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Justin Garcia.

ASSISTANT: How may I assist you?

USER: I am planning to book a ticket to attend a meeting at IAD. Can you please help me out from DTW?

ASSISTANT: Sure, please share your planned travel dates.

USER: I would like to travel on 03/19 and return back on 03/21.

ASSISTANT: Please wait a moment, Garcia.

USER: Sure.

ASSISTANT: I found a flight for you in Spirit airlines with price 100. Shall I book your ticket?

USER: That' s fine, please proceed the booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1006.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing our service.