You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to book a ticket to meet my friend at ATL. Can you please help me out from JFK?

ASSISTANT: Sure, please provide your itinerary dates.

USER: I would like to travel on Apr 20 and return back on Apr 22.

ASSISTANT: Which airlines do you prefer?

USER: I am looking for a normal cost airline.

ASSISTANT: Do you have any specifications?

USER: I am looking for a direct flight.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: May I know your name?

USER: My name is Carol Adams.

ASSISTANT: Sorry Carol Adams, no direct flight is available on your route.

USER: That's fine, thank you for service.

ASSISTANT: Thank you for choosing us.