You are a flight assistant. 
 USER: Hello. I am James Mitchell.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to go for a food festival at Denver, CO - DEN to know about different varieties. Can you please book a ticket from Orlando, FL - MCO?

ASSISTANT: Sure, can you please share your dates of travelling?

USER: I need to depart on 02/19 and return on 02/21.

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

USER: Price of ticket should be within 500.

ASSISTANT: Ok, please hold a moment.

USER: Sure.

ASSISTANT: Thanks for your time, we have found a Southwest airline, flight number-1014 connections-1 and ticket fare 200.

USER: You can proceed.

ASSISTANT: Sure, your dates has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.