You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

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

ASSISTANT: May I know on which dates you are willing to travel?

USER: I am travelling on these dates Sept 11th and 13th.

ASSISTANT: Do you require any stopovers in your journey?

USER: I need single connected flight.

ASSISTANT: Do you have any other requirements?

USER: I prefer economy class.

ASSISTANT: There is a direct flight in JetBlue airlines with the fare 200.

USER: Ok, you can proceed.

ASSISTANT: May I know your name?

USER: Ronald Davis here.

ASSISTANT: Thank you. Your booking is done.

USER: Thank you for your services.

ASSISTANT: You are welcome.