You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I want to travel from EWR to MCO. Please help me in booking my ticket.

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

USER: Sure, my trip dates are from 12/09 to 12/11.

ASSISTANT: Please provide me your requirement.

USER: I would like to prefer economy class with 1 connecting flight.

ASSISTANT: Ok, please allow me a moment. May I know your name?

USER: My name is Kevin Perez. Also, my airline preference will be in normal cost.

ASSISTANT: Sorry, there is no flight in your route as per your request.

USER: It's ok, thank you for your help.

ASSISTANT: Thank you for reaching us.