You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Donna Hall.

ASSISTANT: How can I help you?

USER: I am planning to book a ticket from IAD to SEA. Can you please help me out?

ASSISTANT: Sure, I will help you. Please, share your planned journey dates.

USER: I would like to travel on Nov 08 and return back on Nov 10.

ASSISTANT: Do you have any other specifications?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Give me a minute, please.

USER: Sure.

ASSISTANT: Thank you for your time, there is a flight available with price 300 and single connection in Spirit airline. Shall I confirm it?

USER: That's fine, please proceed the booking.

ASSISTANT: Your reservation has been confirmed in economy class with flight number 1004.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.