You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I would like to celebrate this new year with my friends at Chicago, so please book me a flight ticket on the name Donald Jones.

ASSISTANT: Ok, help me with your travel dates?

USER: Yes, I have planned to go on 01/01 and return back on 01/03.

ASSISTANT:  May I know your travel points?

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

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Sorry, no flights are available on your travel dates.

USER: No issue, thank you for your information.

ASSISTANT:  Thank you for availing us.