You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you at this moment?

USER: I am Jacob Hall. I am planning to enjoy this weekend with my family at Las Vegas, please help me with booking a flight ticket.

ASSISTANT: Sure, please provide your travelling dates?

USER: I am planning to go on 05/24 and return back on 05/26.

ASSISTANT: Ok, Do you have any price restrictions?

USER: Yes, I have a price limit of 5000 and I need a flight with single connection.

ASSISTANT: Ok, May I have your airport codes of travelling?

USER: Sure, it's from ORD to LAS.

ASSISTANT: Thank you for providing information, there is 1006 Southwest airline with price 200. Shall I proceed with booking?

USER: Ok, book the ticket.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your service.

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

USER: Welcome.