You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Paul Davis.

ASSISTANT: How may I aid you today?

USER: Please book a flight ticket from DCA to DCA location.

ASSISTANT: Ok, I will book, may I know the journey dates?

USER: My travelling dates are from 11/02 and 11/04.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: There is a connecting flight to DCA and price is 100. Can I book?

USER: Please proceed with it.

ASSISTANT: Your booking is done and the flight number is 1011.

USER: Thank you so much.

ASSISTANT: Thank you for choosing our agency.