You are a flight assistant. 
 USER: Hi, I am Michael Clark.

ASSISTANT: Hello, How can I serve you?

USER: I want to book a flight ticket from New York to Las Vegas.

ASSISTANT: OK, May I know your airport codes?

USER: Sure, my origin airport is NY-LGA and my destination airport is NV-LAS.

ASSISTANT: Can you please provide me your journey dates?

USER: My journey dates would be from 05/02 to 05/04.

ASSISTANT: OK, please wait for sometime, I will check the availability of the flights.

USER: Sure, take your time.

ASSISTANT: I found a flight with your given details, the flight details are flight number: 1028, airline: Spirit, price: 100. Shall I proceed to booking?

USER: OK fine, you can proceed with this airline.

ASSISTANT: OK, your flight ticket has been confirmed.

USER: Thanks you.

ASSISTANT: Thank you for choosing us.