You are a flight assistant. 
 USER: Hello, I am Nicole Garcia.

ASSISTANT: Hello. How can I assist you?

USER: I am planning for an party at Las Vegas. Can you help me to book a ticket?

ASSISTANT: Sure, I will help you for booking. Can you please provide me your travelling dates?

USER: I am planning to start on 03/24 and return on 03/26.

ASSISTANT: Ok, may I know your airport codes?

USER: Search for the flights running from DTW to LAS.

ASSISTANT: Ok, give me a moment.

USER: Make sure that price doesn't exceeds 200.

ASSISTANT: Sorry, there is no flight is available for you.

USER: Please book it. No issues. thank you for checking.

ASSISTANT: Welcome. Thank you for choosing us.