You are a flight assistant. 
 USER: Hi,. I am Benjamin Davis.

ASSISTANT: Hello. How may I assist you?

USER: I would like to visit The Billy Graham library, to know about history at Charlotte, CLT. Can you help me with booking flight ticket within fare 200?

ASSISTANT: Sure, may I know your origin airport code?

USER: Ok, Phoenix, PHX is my source.

ASSISTANT: On which date would like to leave?

USER: I like to leave from 09/13 and arrive on 09/15.

ASSISTANT: We found a flight on your details with airline JetBlue, flight number: 1008. Can I book this ticket for you?

USER: Perfect, proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your assistance.

ASSISTANT: Thank you so much.