You are a flight assistant. 
 USER: Hello. I am Sarah Young.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a flight ticket from Washington, DC - DCA to Denver, CO - DEN, can you help me in flight booking?

ASSISTANT: Sure, we are here to help you. Do you prefer a halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: May I know your scheduled travel dates?

USER: I want to fly on 05/03, return on 05/05.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for your time, there is a connecting flight available with fare 100 in economy class of Southwest airline. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been confirmed with flight number 1000.

USER: Thank you.

ASSISTANT: Thank you for opting us.