You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I'm Nicole Turner. I am planning to attend weeding anniversary at Las Vegas, can you please help me with booking a flight ticket?

ASSISTANT: Sure, I am glad to help you Turner, can you please provide me your source and destination airport codes?

USER: My origin airport code is ORD and the destination airport code is LAS.

ASSISTANT: Ok, could you please provide me your travel dates?

USER: Sure, I would like to take off on 11/23 and the return date is on 11/25.

ASSISTANT: Please wait, I will get back to you with in a moment.

USER: Ok, but make sure that the connection limit is 1.

ASSISTANT: Sorry Turner, there are no flights available on your preferred dates.

USER: Ok, no issues.Thank you for checking.

ASSISTANT: Thank you for contacting us, have a great day.

USER: You are welcome.