You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be of your service?

USER: I need to book a flight from HOU to MSP to attend my brother's marraige. Can you book me a flight?

ASSISTANT: Sure, may I know your travelling dates?

USER: My starts at 12/24 to 12/26, the ticket price should not exceed 500.

ASSISTANT: Ok, let me check the availability and get back to you.

USER: Sure.

ASSISTANT: We found an Spirit airline with flight number 1003 and price of 100 available for you matching your request. Shall I proceed with the booking?

USER: Sure, you can proceed.

ASSISTANT: Can you please let me know your name to proceed?

USER: I am Cynthia Taylor.

ASSISTANT: Your booking has been done. Thank you for choosing us.