You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What help do you need from us?

USER: Can you please book a flight ticket from DTW to LGA?

ASSISTANT: Sure, I am here to help you. May I know your trip dates?

USER: Thank you. I have planned my travel  dates as  Mar 19 and Mar 21.

ASSISTANT: Ok, do you prefer a direct flight or a connecting flight?

USER: I am looking for single connecting flight.

ASSISTANT: Do you have any other preferences?

USER: I would prefer economy class.

ASSISTANT: May I know your name?

USER: Sure, myself Brenda Phillips.

ASSISTANT: There is a flight in the Spirit airlines with the ticket cost 200. Can I proceed with the ticket booking?

USER: That is fine, please proceed with booking.

ASSISTANT: I have booked your ticket with the flight-1019.

USER: Thank you for your help.

ASSISTANT: Have a nice journey. Thank you for reaching us,.