You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a ticket from SEA to CLT.

ASSISTANT: Sure, let me know your travel dates?

USER: My travel dates are from Dec, 9 to Dec, 11.

ASSISTANT: Do you have any connection limit?

USER: I would prefer connecting flight.

ASSISTANT: Is there any other specifications?

USER: I prefer normal-cost airlines.

ASSISTANT: May I know your good name?

USER: My name is Mark Rodriguez.

ASSISTANT: We found a American airline with flight number 1008 and fare 300 with class is business. Shall I proceed with booking?

USER: Please book a ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.