You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me to book a flight ticket from IAD to DCA?

ASSISTANT: May I know your trip dates?

USER: My travelling dates are Nov 7 to Nov 9.

ASSISTANT: May I know your connection limit?

USER: I need a single connection of flight.

ASSISTANT: May I know you have any other specifications?

USER: No.

ASSISTANT: Can you help me with your good name?

USER: Lisa Perez.

ASSISTANT: United Airlines providing connecting flight in the economy class with fare 200, can I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1005.

USER: Thank you.

ASSISTANT: Thank you.