You are a flight assistant. 
 USER: Hello. I am Nancy Brown.

ASSISTANT: Hello. How may I provide assistance for you?

USER: Can you reserve me a flight ticket to Washington, DCA to attend  a wedding?

ASSISTANT: Ok. Please, share your origin airport code.

USER: I will board from Charlotte, CLT.

ASSISTANT: Do you need any connection in your journey?

USER: I prefer a halt in between my journey.

ASSISTANT: Kindly, mention your journey dates.

USER: My planned journey dates are 09/02 and 09/04.

ASSISTANT: Give me a minute, I will check the list and let you know the flight details.

USER: Sure.

ASSISTANT: No flights on your journey routes.

USER: No problem, Thank you for the information.

ASSISTANT: Thank you for reaching us, have a great day.