You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I give assistance to you?

USER: I am planning to go for Arts and crafts festival at Detroit, can you please help me in booking?

ASSISTANT: Sure, let me know your journey dates.

USER: My journey dates are from 09/17 to 09/19.

ASSISTANT: May I know your origin and destination codes?

USER: My origin is at Charlotte, NC-CLT and destination is at Detroit, MI-DTW.

ASSISTANT: May I know your name?

USER: I am Ronald King.

ASSISTANT: Thank you, please wait.

USER: Ok.

ASSISTANT: We found a flight on AA airline, flight number 1000 with fare of 100.

USER: You can proceed with booking.

ASSISTANT: Your booking has been done.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.