You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Patricia King.

ASSISTANT: How can I assist you at this moment?

USER: I want to attend a wedding in New York. Can you book a ticket from DEN to LGA?

ASSISTANT: Sure, I will help you with that. Can you please provide me your travel dates?

USER: I want to travel on 04/10 and 04/12.

ASSISTANT: Ok, please be hold on for a moment.

USER: Ok, take your time.

ASSISTANT: Sorry Patricia King, no flight is available to you on your dates.

USER: That;s ok.

ASSISTANT: Thank you for choosing us, have a good day.

USER: Anyways, thank you for your help.

ASSISTANT: Most welcome.