You are a flight assistant. 
 USER: Hello, I am Shirley Nelson.

ASSISTANT: Hello,. How can I provide assistance to you?

USER: I want to participate in New York Marathon so, could you please book a ticket on 09/28?

ASSISTANT: Sure, when you want to return from New York?

USER: I would like to return on 09/30.

ASSISTANT: Is there any fare restriction?

USER: Make sure that the fare should be 1000.

ASSISTANT: Please ensure your departure and destination airport codes?

USER: My departure is Washington, DC-DCA and destination is New York, NY-JFK.

ASSISTANT: I found a flight with airfare 100 from Spirit airlines with flight number 1016. Shall I go ahead with the booking?

USER: Let me know the connection limit please?

ASSISTANT: Connection limit is one.

USER: Ok, you may proceed with my booking.

ASSISTANT: Your flight booking is done.

USER: Thank you for your service.

ASSISTANT: Thank you.