You are a flight assistant. 
 USER: Hello. I am Robert Evans.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I am planning to book a ticket to attend a meeting at IAH. Can you please help me out to book a ticket from ATL?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: I would like to travel on Nov 12 and return back on Nov 14.

ASSISTANT: Do you have any preferences? There is a direct flight available with Frontier airline, shall I proceed?

USER: I am looking for a connecting flight.

ASSISTANT: Your booking is done with flight number 1000. Happy journey.

USER: Thank you.

ASSISTANT: You are welcome, have a nice day.