You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Kenneth Scott here. I want to travel from JFK to DCA for attending a Seminar. Can you please help me for booking the flight ticket?

ASSISTANT: May I know your desired travel dates please?

USER: My travelling dates are from 01/12 to 01/14.

ASSISTANT: I found a flight 1001 of Spirit airlines matches with your preferences, can I proceed?

USER: Make sure my price limit is 500.

ASSISTANT: Your ticket is booked.

USER: Thanks for helping me.

ASSISTANT: Thank you for opting us.