You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you now?

USER: I would like to visit the Centennial Olympic Park at Atlanta, so can you please book a ticket from LAX to ATL?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel  dates please?

USER: My travel dates are Aug 17 and Aug 19.

ASSISTANT: Ok, please let me know the timings of your journey locations.

USER: I am comfortable to travel at any time.

ASSISTANT: Are you looking for single  connecting flight or direct flight only you want?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Can I have your good name please to proceed further?

USER: My name is Patricia Wilson.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

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

USER: Not a problem, thank you.

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