You are a flight assistant. 
 USER: Hi. Myself Linda Collins.

ASSISTANT: Hello, how can I help you today?

USER: I want to travel from MSP to DCA for attending a seminar.Could you please help me for booking a ticket?

ASSISTANT: Sure, can you let me know your trip dates?

USER: My travelling dates are 08/18 to 08/20.

ASSISTANT: Please hold on for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting.There is a flight available in Spirit airline, can I proceed with the booking?

USER: Book it.

ASSISTANT: Your ticket is booked and your flight number is 1009.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a safe journey.