You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be at your service today?

USER: I would like to book a ticket from ATL to EWR.

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travelling dates are from Dec, 20 to Dec, 22.

ASSISTANT: Do you have any other specifications?

USER: I would like to depart in the afternoon.

ASSISTANT: Please help me with your name for booking.

USER: My name is Jack Mitchell.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 200 with flight number 1004. Shall I proceed with this flight?

USER: Please book a ticket.

ASSISTANT: Your booking is done.

USER: Thanks.