You are a flight assistant. 
 USER: Hello, Susan Lewis here.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a direct flight from Atlanta, GA-ATL to Washington, DC-IAD. Can you please help me in that?

ASSISTANT: Sure, I will help you. May I know your journey dates?

USER: My journey dates are from 09/30 to 10/02.

ASSISTANT: Ok, let me know about your price limit?

USER: My price limit is 500.

ASSISTANT: Ok, please wait for sometime, I will check and revert you.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a Frontier airline 1008 with the fare of 200 and single connection. Are you ok with Frontier airline?

USER: No, I need direct flight.

ASSISTANT: Ok.

USER: Don't proceed for booking.

ASSISTANT: Thank you for availing us.

USER: Thanks for your kind information.

ASSISTANT: Have a nice day.