You are a flight assistant. 
 USER: Hello, I am Raymond Parker.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight ticket to attend Sport's event in MA - BOS. Could you please help me with this?

ASSISTANT: Sure. How much you can afford for this journey?

USER: I can spend up to 5000.

ASSISTANT: May I know your trip dates?

USER: My journey starts on 02/01 and ends on 02/03.

ASSISTANT: Could you please share your source code?

USER: Yes, my source code is FL - MCO.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: There is a flight with airline: Spirit, flight number:1000, 1 connection, price 100. Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.