You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Please help me to book a flight ticket from ATL to ORD.

ASSISTANT: Sure, may I know your trip dates?

USER: My trip dates are from Apr, 05 to Apr, 07.

ASSISTANT: Do you have any other requirements?

USER: I need a single connecting flight and in an economy class.

ASSISTANT: Ok, can I know your name please?

USER: I am Brian Mitchell.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 0 connection in JetBlue airlines and the fare of your flight will be 200. Do you like me to proceed your booking with this flight?

USER: Please proceed.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for booking.

ASSISTANT: Most welcome.