You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: Can you please aid me in booking a flight ticket from OAK to DCA?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travelling dates are Mar 22nd and Mar 24th.

ASSISTANT: Can I know your name please?

USER: William Miller.

ASSISTANT: Do you need any specifications?

USER: I need a flight with single connection.

ASSISTANT: Can I know your other preferences?

USER: No.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: You can proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1024.

USER: Thank you.

ASSISTANT: Thank you for reaching us.