You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I'm planning to visit Chicago, can you please book a ticket from SEA to ORD?

ASSISTANT: Sure, can you share your travel dates please?

USER: Sure, my planned departure and return travel dates are 16th and 18th of March.

ASSISTANT: May I know your good name?

USER: My name is Alexander Thomas.

ASSISTANT: Please share your connection limit.

USER: I prefer single connected flight.

ASSISTANT: Is there any other preferences?

USER: No.

ASSISTANT: We found an economy class ticket in Spirit airlines with fare 200 and it is a connecting flight. Can I book your ticket?

USER: That's fine for me, you can proceed for booking.

ASSISTANT: Your booking is done with flight number 1004.

USER: Thank you so much for your help.

ASSISTANT: Thank you for reaching us.