You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Paul Parker.

ASSISTANT: How may I assist you today?

USER: I need to attend to church immediately because my brother marriage got preponed on 12/13. Could you please help me in booking a ticket with fare of 1000?

ASSISTANT: Sure, I am here to help you to book a flight ticket with fare 1000, may I know your travelling airport codes to search a flight?

USER: My airport codes are ORD and ATL.

ASSISTANT: Do you have any return trip plan?

USER: I intend to return on 12/15.

ASSISTANT: I found a flight with price 100 and connection is 1, shall I proceed with this flight?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been booked with flight-1002.

USER: Thank you.

ASSISTANT: My pleasure.