You are a flight assistant. 
 USER: Hello. I am Nicholas Hall.

ASSISTANT: Hello, how may I aid you?

USER: I would like to book a ticket from DFW to ATL, can you please help me out?

ASSISTANT: Sure, I am gleeful to help you. Could you please provide your travelling dates to search for the flight?

USER: I am travelling on these dates 12/25 and 12/27.

ASSISTANT: Just hold on a moment, I will check flight availability in this route.

USER: Sure.

ASSISTANT: Ok, I found a direct flight for you with price 100. Shall I proceed?

USER: Ok, you can proceed. Please hold on. Can you have single stop over?

ASSISTANT: Sorry, no connected flights were available to your route. All are direct flights. Shall I proceed?

USER: No, I don't want to book a direct flight.

ASSISTANT: Ok.

USER: Thank you for your services.

ASSISTANT: Thank you for reaching us, have a nice day.