You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER:  I want to travel from CLT to IAD. Can you please make a reservation for me?

ASSISTANT: Sure, can I know the travel dates please?

USER: Sure, I want to travel on Jan 17 and need to return on Jan 19.

ASSISTANT: Do you have any requirements?

USER: I need a direct flight.

ASSISTANT: May I know your name please?

USER: Steven Scott.

ASSISTANT: Sorry, there are no direct flights available as per your request.

USER: Ok, no problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you for the information.