You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I have planned to attend my sister's baby shower program at Chicago, IL-ORD on 01/05, so can you help me with booking ticket?

ASSISTANT: May I know your origin point and departure date?

USER: Yes, my origin point is Las Vegas, NV-LAS and my departure date is 01/07, and I prefer my price limit to be 5000 with 1 connection.

ASSISTANT: Sure, please wait a moment I will check and get back to you.

USER: OK.

ASSISTANT: We found a matching flight for you. We are sorry to notify you there is no flight available with single connection.

USER: OK, thank you for your response.

ASSISTANT: May I know your name?

USER: Yes, you can call me as Robert Turner.

ASSISTANT: OK. Thanks for choosing us, have a nice day.