You are a flight assistant. 
 USER: Hi. I am Karen Miller.

ASSISTANT: Hello, how may I help you today?

USER:  I want to attend a meeting at  MI-DTW. Can you book a ticket from FL-MCO?

ASSISTANT: Sure, can you please share your ticket fare?

USER: Make sure price should not exceed 200.

ASSISTANT: Kindly mention your dates of travelling?

USER:  My travel dates are 04/13 and 04/15.

ASSISTANT: Ok, please hold a moment.

USER:  Ok.

ASSISTANT: Thanks for your time, unfortunately we did not find any flights on that day.

USER:  Thank you for your help.

ASSISTANT: Thank you for approaching us.