You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I need to travel IAD and CLT, can you reserve flight ticket?

ASSISTANT: Sure, can you please mention your departure and arrival dates of your journey?

USER: My travelling dates are Aug,11 and Aug,13.

ASSISTANT: Do you need any flag stop in between journey?

USER: Yes, I prefer one connecting flight.

ASSISTANT: Is there any other specifications regarding your journey?

USER: My depart time time should be in the afternoon.

ASSISTANT: May I know your name for the documentation process?

USER: Myself Alexander Robinson.

ASSISTANT: Thanks for sharing your details, we are unable to provide flight in between your journey routes.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to complete my journey.

ASSISTANT: Thank you for reaching us.