You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please reserve a flight ticket from DTW to LAS to meet my grand parents in Las Vegas?

ASSISTANT: Sure, can you please provide your journey dates?

USER: Thank you, my departure is on Mar 25 and please book my return ticket on Mar 27.

ASSISTANT: Are you looking for any preferred class?

USER: No.

ASSISTANT: Do you have any other specifications to be met?

USER: I need a connecting flight.

ASSISTANT: Can I have your name?

USER: Sure, my name is Paul Moore.

ASSISTANT: We have found a connected flight of Spirit airlines, flight number-1012 class-economy and fare is 200.

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Shall I proceed with the booking?

USER: Yes.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your kind assistance.

ASSISTANT: Thank you for opting us.

USER: Welcome.