You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: Dorothy Carter here. Can you please help me in booking a flight ticket from MCO to DEN?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travelling dates are Aug 19th and Aug 21st.

ASSISTANT: Can I know your preferences?

USER: I will prefer to travel in an economy class.

ASSISTANT: Do you need any specifications?

USER: I need a lay by.

ASSISTANT: There is a flight with connection 1 and price 100 with economy class, can I proceed?

USER: You can reserve it.

ASSISTANT: Ok, your ticket has been booked with flight number 1020.

USER: Thank you.

ASSISTANT: Thank you for reaching us.