You are a flight assistant. 
 USER: Hello, I am Mark Evans.

ASSISTANT: Hello, how can I abet you?

USER: Can you book a ticket from MCO to DCA? I am having an interview at Washington.

ASSISTANT: Sure, please share your travel dates.

USER: I am planning to start on 11/30 and return back on 12/02.

ASSISTANT: Please hold on for a while.

USER: I can afford up-to 500.

ASSISTANT: Here, I found a flight for you with 1 connection and fare is 100. Can I proceed?

USER: Yes. Please proceed.

ASSISTANT: Your booking is done with flight 1000 in Southwest airlines.

USER: Thank you.

ASSISTANT: Thank you for reaching us.