You are a flight assistant. 
 USER: Hello, I am Richard Davis.

ASSISTANT: Hello, Richard Davis, how can I support you today?

USER: I have planned to visit the National Mall in Washington, Can you book a ticket with single connection?

ASSISTANT: Sure, we are glad to serve you. Can you please assign your journey dates?

USER: My depart on 03/26 and return on 03/28.

ASSISTANT: Ok, please share your journey points.

USER: My airport codes are NC - CLT and DC - IAD.

ASSISTANT: Thanks for your details, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a direct flight based on your schedule.

USER: Ok, do not proceed for booking.

ASSISTANT: Sure.

USER: Thanks for your help.

ASSISTANT: Thanks for availing our service, have a nice day.