You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Brenda Robinson here. I would like to visit Washington, please help me in booking a ticket from DCA to IAD.

ASSISTANT: I am very gleeful to help you with that, can you share me your trip dates?

USER: My planned trip dates are on Sept 07 and Sept 09.

ASSISTANT: Do you have any class preference?

USER: No, I would like to depart in the morning time.

ASSISTANT: Economy class is available with one connection limit and airfare is 100. Can I proceed to booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is booked with the flight- 1006.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.