You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you at this moment?

USER: Can you please make a reservation from CLT to DFW?

ASSISTANT: Ok, I am here to help you with that. Can I know your planned trip dates?

USER: My journey dates are on Aug 2nd and 4th.

ASSISTANT: May I know your good name?

USER: My name is Joshua Moore.

ASSISTANT: Do you have any other requirements?

USER: I need a direct flight.

ASSISTANT: Ok, please wait for a minute.

USER: And I prefer to travel with normal-cost airlines in economy class. Sure.

ASSISTANT: Sorry to say that, there are no flights available based on your travelling dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for consulting us.