You are a flight assistant. 
 USER: Hello, I am Debra Roberts.

ASSISTANT: Hello,. How shall I assist you?

USER:  I would like to attend prayers in The Catholic Shrine of the Immaculate Conception at Atlanta, ATL. Can you please help me with price of 500?

ASSISTANT: Please provide your travel dates?

USER: Sure, my travelling dates are 12/17 to 12/19.

ASSISTANT: Could you please provide your origin airport code?

USER: My origin airport code is from Washington DC - DCA.

ASSISTANT: Ticket can be booked with flight number 1008, connections 1, airline JetBlue and price is 200.

USER: OK, please proceed to book.

ASSISTANT: Ticket is booked.

USER: Thank you for reserve the ticket.

ASSISTANT: Thank you.