You are a flight assistant. 
 USER: Hello. I am John Thomas.

ASSISTANT: Hello, how may I amend you today?

USER: As I am a journalist, I need to collect some information from library of congress about political issues at NC-CLT. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, when are you planning to travel?

USER: I would like to fly on 08/25 and return on 08/27.

ASSISTANT: Please share your source point?

USER: My origin is phoenix, AZ-PHX.

ASSISTANT: We found a flight 1007 in Southwest airline the price is 100 with one halt. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your service.