You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: I am Mark Miller. I am planning to visit Phoenix from ATL to PHX. Can you make reservation for me?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: Ok, my planned trip dates are on 03/17 and return on 03/19.

ASSISTANT: The Frontier airline with flight number 1000 is available having fare as 100 and connection as 1, is it ok for you?

USER: Ok, please confirm the ticket.

ASSISTANT: Ok, your reservation is confirmed.

USER: Thank you for your great service.

ASSISTANT: Thank you for consulting us, have a great day.