You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you from my end?

USER: Myself Barbara Campbell, can you help me to book a flight from FL - MCO to EWR?

ASSISTANT: Sure, I am here to help you out. Please provide me your travel dates.

USER: Ok, my travel date is 03/04 and return date is 03/06.

ASSISTANT: Sorry  Barbara Campbell, there is no flight in your route.

USER: Thank you for the information, I will try next week to book.