You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you now?

USER: Can you please help me in booking a flight ticket from SEA to IAD?

ASSISTANT: Sure, I am happy to help you in booking. Please, share me your journey dates.

USER: Sure, my travel dates are from Sept 22 to Sept 24.

ASSISTANT: Do you have any connection limit for your trip?

USER: I would prefer connecting flight for my trip. No more requirements.

ASSISTANT: May I know your name to proceed further for documentation purpose?

USER: Myself Donald Allen.

ASSISTANT: Spirit airlines is providing you the connecting flight in economy class, shall I reserve it?

USER: Ok, please reserve it.

ASSISTANT: Your ticket has been reserved with flight 1006.

USER: Thank you for your help.

ASSISTANT: My pleasure.