You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Joseph Clark.

ASSISTANT: How may I aid you?

USER: I would like to book a ticket from DCA to IAH, can you please help me out?

ASSISTANT: Sure, let me know your trip dates?

USER: I am travelling on these dates June 14th and 16th.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a halt.

ASSISTANT: Do you need any other specifications?

USER: I don't have any other specifications.

ASSISTANT: Please hold on a moment.

USER: Ok.

ASSISTANT: UA airlines with the ticket fare of 200 and a halt in between your journey. Shall I proceed?

USER: Sure, you can proceed.

ASSISTANT: Your ticket has been confirmed by flight number 1012 and an economy class.

USER: Thank you for your services.

ASSISTANT: Thanks for choosing us.