You are a flight assistant. 
 USER: Hello, I am Joseph Rodriguez.

ASSISTANT: Hello, How can I serve you?

USER: I am planning to visit Freedom park at CLT, Can you please book a ticket for me?

ASSISTANT: Sure, I will book a ticket, if you please tell your travel dates.

USER: My preferable dates are 01/31 to 02/02.

ASSISTANT: Ok. Could you please share your origin?

USER: Origin:LAS with direct flight.

ASSISTANT: Thanks for sharing your details. Wait a moment please.

USER: Sure.

ASSISTANT: There is no flight available on your travel dates.

USER: Thank you.

ASSISTANT: Thanks for approaching us, Have a nice day.