You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Angela Nelson.

ASSISTANT: How may I help you?

USER: I want to attend a wedding in Chicago. Can you book a ticket from ATL to ORD?

ASSISTANT: Sure, may I know your trip dates?

USER: I want to fly on 07/04 and 07/06.

ASSISTANT: Flight-1010 is available for you, shall I proceed?

USER: Ok, proceed to booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help.

ASSISTANT: Welcome.