You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Myself Michael Williams. Can you please book me a flight ticket from SEA to LGA?

ASSISTANT: Sure, can you share your journey dates?

USER: Sure, my journey dates are Dec 12th and 14th.

ASSISTANT: Do you have any preferences?

USER: Yes, I need a connecting flight with a fare of 200.

ASSISTANT: There is a connecting flight with number 1005 in airline Spirit, the fare is 200. Can I book it?

USER: Yes, please proceed by booking.

ASSISTANT: Your ticket is reserved. Thank you for opting us.

USER: Thank you.