You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I provide assistance to you?

USER:  I want to attend a sports meet at Las Vegas,NV-LAS.Can you please help in booking a ticket?

ASSISTANT: Sure, we are happy to help you. Can you please assign your reservation details?

USER: Sure,My starting point is Chicago,IL-ORD on 01/09 and return on 01/11.

ASSISTANT: Thanks for providing your details. Please standby, I will check out the availability and revert you.

USER: Make sure that the price limit does not exceed 5000 and I need a direct flight.

ASSISTANT: Thank you for waiting, we do not have any direct flight based on your details.

USER: Ok.No problem.

ASSISTANT: May I know your name please?

USER: Sure, I am Joshua Rodriguez. Thank you for your information.

ASSISTANT: Ok, Thanks for choosing us. Have a nice day.