You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you?

USER: I am Nancy Mitchell. Please book me a plane to New York, JFK to attend an interview in Times Now.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Let me know when you are willing to travel?

USER: 02/20 - 02/22 are my willing dates for trip.

ASSISTANT: May I know your source point?

USER: My source airport is Washington, DCA.

ASSISTANT: Ok, wait for a while.

USER: Sure.

ASSISTANT: We found Southwest airline with connecting flight and number 1000 fare of 400.

USER: Proceed with my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for approaching us.