You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to book a ticket from LGA to DEN, can you please help me out?

ASSISTANT: Can you please provide your journey dates?

USER: I am travelling on these dates Dec 11th and 13th.

ASSISTANT: Are you looking for any preferred connections?

USER: I need single connected flight.

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

USER: I prefer economy class.

ASSISTANT: Can I have your name to proceed further?

USER: Gary Garcia here.

ASSISTANT: We found a American airlines, flight number-1006 connections-1 class-economy and fare is 200.

USER: Ok, you can proceed.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your services.

ASSISTANT: Thank you for reaching us.