You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Jennifer William. I would like to attend prayers in The Catholic Shrine of the Immaculate Conception at Atlanta, ATL. Can you book a flight ticket on 04/18?

ASSISTANT: Sure, may I know when are you willing to travel?

USER: I wish to return on 04/20.

ASSISTANT: Ok, share your source code please.

USER: Las Vegas, NV - LAS is my source code.

ASSISTANT: Do you need any connection in between the journey?

USER: Obviously, I need one connection.

ASSISTANT: Ok, we found a flight with number 1027 and airline Delta at a price of 100 with 1 connection. Shall I proceed?

USER: Please proceed.

ASSISTANT: Sure, your booking is done.

USER: Thanks for the reservation.

ASSISTANT: Thank you for reaching us, have a nice day.