You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Alexander King.

ASSISTANT: How can I help you?

USER: I have a plan to visit white house at Washington, please book a flight ticket with a connection.

ASSISTANT: Sure. May I know your travelling dates?

USER: My travelling dates are from 02/14 to 02/16.

ASSISTANT: Can you share me your airport codes?

USER: I want to fly from JFK to DCA.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thanks for waiting. There is a flight 1002 in AA airline and price 100 with a connection. Shall I proceed?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.