You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you for this moment?

USER: Myself Lisa Evans. Can you please help me in booking a flight ticket from IAD and it's a round trip?

ASSISTANT: Sure, may I know your dates of travel please?

USER: My travelling dates are from 06/04 and 06/06.

ASSISTANT: Ok, please hold on for a moment.

USER: Ok.

ASSISTANT: I found a flight with the connecting flight of fare 100 with the airline naming as Frontier, are you ok with this ticket booking?

USER: Sure, please proceed with it.

ASSISTANT: Your ticket has been reserved with the flight number 1012.

USER: Thank you so much.

ASSISTANT: You are welcome and have a happy journey.