You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I serve you today?

USER: I am Donna smith, I need to attend my brother's marriage at Boston, MA- BOS.

ASSISTANT: Ok. May I know your source details, please?

USER: Sure, I want to start from Orlando, FL- MCO on 02/22 and return on 02/24.

ASSISTANT: OK, please wait for a minute.

USER: Ok.

ASSISTANT: We are happy to inform you, there is flight as on your request on Spirit airline, flight number is 1000. It charge 100 for ticket. May I proceed for booking?

USER: Ok, please go with booking it.

ASSISTANT: Your booking is confirmed. Thank you for connecting with us.

USER: Thank you for your excellent service.