You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I have a plan to visit the Private moon light DC city walk which is famous moon light walk in Washington, IAD. Can you avail me to book a flight ticket?

ASSISTANT: May I know your trip dates?

USER: My trip dates are Nov 21 and 23.

ASSISTANT: May I know your source airport code?

USER: My source is from Denver, DEN.

ASSISTANT: Can I have your name?

USER: Margaret Davis here.

ASSISTANT: Let me know your connection limit?

USER: I need a break in my journey.

ASSISTANT: Any more requirements you have?

USER: No, I don't have any other requirements.

ASSISTANT: United Airlines providing connecting flight in the economy class with fare 100, shall I proceed for booking?

USER: Please reserve the flight ticket.

ASSISTANT: Your ticket has been confirmed with flight number 1013.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us.