You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you/.

USER: I want to book a ticket to Los Angeles, CA - LAX to attend for a live concert.

ASSISTANT: Sure, we are here to help you. When are you planning to travel?

USER: My planned dates are from 04/25 to 04/27.

ASSISTANT: Please provide your origin airport code.

USER: I would like to travel from Detroit, MI - DTW.

ASSISTANT: Please provide your specifications.

USER: I can afford up to 500.

ASSISTANT: To proceed further may I know your name?

USER: Sure, I am Anthony Lee.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: AA airlines with single connection and price is 100 of 1027 flight. Shall I proceed for booking?

USER: Sure, you can proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for booking.

ASSISTANT: Thank you for choosing us.