You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket to ATL. Can you please make a reservation from IAD?

ASSISTANT: Sure, can you please share me your travelling dates?

USER: My travelling dates are on Dec 31 and Jan 02.

ASSISTANT: Do you have any connection limit?

USER: I need a connected flight to travel.

ASSISTANT: Is there any other specifications in your journey?

USER: No.

ASSISTANT: May I know your name?

USER: Karen Hernandez is my name.

ASSISTANT: We found 1018 United Airlines with single connection and price of 100, shall I proceed with booking?

USER: ok, please proceed for booking.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.