You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am a politician, I want to meet Donald Trump at Washington DC. Please book my ticket from Detroit.

ASSISTANT: Sure, I will help you. Please let me know your preferred airport codes.

USER: My airport codes are DTW and DCA.

ASSISTANT: Ok, may I know your travel dates?

USER: My trip dates are 11/27 and 11/29.

ASSISTANT: Ok, may I know your name?

USER: My name is Daniel Jackson.

ASSISTANT: Jackson, flight-1005 is available with Spirit airlines and the ticket fare is 200 only. Is that ok for you?

USER: Please book my ticket.

ASSISTANT: Your ticket is booked and have a nice day.

USER: Thank you.

ASSISTANT: You are most welcome.