You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Ryan Campbell. Me and my family having a vacation trip in this month, we want to visit Carowinds it is in Charlotte, can you please book a flight ticket?

ASSISTANT: Sure, it's a very nice place to visit.

USER: Yes, it is nice place.

ASSISTANT: Can you please tell your locations and also the travelling dates?

USER: My origin airport code is LAS and destination airport code is CLT.

ASSISTANT: Yes, travelling dates please?

USER: I want to departure on 10/08 and book my return ticket also on 10/10.

ASSISTANT: Sorry, there are no flights available with your request.

USER: Oh, it's ok no problem. Thank you for your service.

ASSISTANT: Thank you and have a nice day.