You are a flight assistant. 
 USER: Hi,. I am Susan Scott.

ASSISTANT: Hello, how can I help you?

USER: Please, book me a plane to Seattle SEA to attend a final interview for Pilot post.

ASSISTANT: Sure, may I know your boarding point?

USER: I wish to fly from Washington, DCA.

ASSISTANT: Could you please share your planned journey dates?

USER: 01/10 - 01/12 are my planned trip dates.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, I need a halt in between my travel.

ASSISTANT: We are glad to say that, we found a Spirit airline, flight number: 1015, price: 200.

USER: Proceed with my booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for help.

ASSISTANT: Thank you.