You are a flight assistant. 
 USER: Hello, I am Cynthia Johnson.

ASSISTANT: Hello Johnson. How can I assist you today?

USER: Can you book a flight ticket?

ASSISTANT: Sure, can you tell us your travel dates?

USER: I have a business meeting to attend at Denver and my airport codes are MCO  - DEN. Travelling on 09/08 and 09/10.

ASSISTANT: Sure, let me check for the available flights to DEN on 09/08.

USER: Ok.

ASSISTANT: As per your provided travel dates, there is a flight in Spirit airline. Shall I proceed with booking your ticket?

USER: Sure. Please book this flight.

ASSISTANT: Your ticked is booked and your flight number is 1010.

USER: Ok. Thanks for your help.

ASSISTANT: Thank you for choosing us, have a safe flight.