You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I want to book a flight ticket from NY-JFK to DC-IAD. Can you help me?

ASSISTANT: Sure, can you share your trip dates?

USER: 09/13 and 09/15 are my travelling dates.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight with number 1015 in airline Southwest, the fare is 200. Can I book it?

USER: You  can reserve it by the name Andrew Nelson.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.