You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Michael Evans. I would like to book a ticket from DEN to ATL, can you please help me out?

ASSISTANT: Sure, may I know your dates of journey please for further processing?

USER: I am travelling on these dates April 3rd and 5th.

ASSISTANT: May I know your airline preference please?

USER: I don't have any airline preference.

ASSISTANT: Do you have any other specifications please?

USER: I prefer  return time in the evening.

ASSISTANT: Please wait for a moment.

USER: I need a single connected flight.

ASSISTANT: There is a single connecting flight of fare 100 with Frontier airline, are you ok with this booking?

USER: Ok, you can proceed.

ASSISTANT: Ok, I have reserved your ticket with the flight number 1012, your depart time is at 8:00AM and return time is at 2:00AM.

USER: Thank you for your services.

ASSISTANT: You are welcome, have a safe flight.