You are a flight assistant. 
 USER: Hi, I am Stephanie Martinez.

ASSISTANT: Hello. How can I help you?

USER: I want to visit Las Vegas, NV - LAS due to summer. Can you please book a plane ticket for me?

ASSISTANT: Sure, may I know your journey details?

USER: My origin is Los Angeles, CA - LAX.

ASSISTANT: Can you please provide me your dates of travel?

USER: I want to depart on 05/08 and return on 05/10.

ASSISTANT: Ok. Please wait a moment, let me check and get back to you.

USER: Please make sure that price should not exceed 200 with one connection.

ASSISTANT: Thanks for your time. Unfortunately there is no flight found with your request.

USER: Ok, no issue. Thanks for your response.

ASSISTANT: Thank you for choosing us and have great day.