You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: My name is Jason Campbell. I want to book a flight ticket from DCA to LGA. Can you please assist me for booking within fare of 200?

ASSISTANT: Sure, let me know your journey dates.

USER: Sure, my planned journey dates are 3 and 5 on the month of April.

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

USER: Yes, I need a halt.

ASSISTANT: Thanks for your details, please wait.

USER: Sure.

ASSISTANT: Thanks for your time, we found a direct flight with a fare of 100 in 1013 Southwest airline. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Ok, thanks for your service.

ASSISTANT: Thank you for choosing us.