You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to book a ticket from SEA to CLT. Can you please help me out to book a ticket for me?

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

USER: I would like to travel on Aug 06 and return back on Aug 08.

ASSISTANT: May I know your name please?

USER: I am Janet Carter.

ASSISTANT: Do you have any requirements?

USER: I am looking for a direct flight.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

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

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for approaching us.