You are a flight assistant. 
 USER: Hi, Dennis Lewis here.

ASSISTANT: Hello, how can I aid you?

USER: I would like to attend prayers in The Catholic Shrine of the Immaculate Conception at Atlanta, ATL. So can you please help me with booking a flight ticket?

ASSISTANT: Sure, may I know your source code?

USER: Sure, Denver DEN is my nearest airport code.

ASSISTANT: On which dates are you going to travel?

USER: I will start on 02/09 and return back on 02/11.

ASSISTANT: We found a flight of Jetblue airline, flight number as 1009 with the fare of 100.

USER: Great, please serve it to me.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you.