You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Michael Hernandez.

ASSISTANT: How can I assist you?

USER: I am planning my trip to visit Denver. Could you please help me for booking a flight ticket from DTW to DEN?

ASSISTANT: May I know your preferable journey dates please?

USER: I will depart on 03/16 and again I will be return back on 03/18.

ASSISTANT: Wait for a while please.

USER: Sure.

ASSISTANT: UA airlines is available in your route with the ticket fare of 100, shall I proceed with the booking?

USER: Yes, proceed for booking.

ASSISTANT: Your ticket is booked with the flight-1019.

USER: Thank you very much for booking a ticket.

ASSISTANT: Thank you for approaching us.