You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Please help me in booking flight ticket from JFK to DCA.

ASSISTANT: Yes, can you tell me your travelling dates?

USER: My trip dates are Dec 02 to Dec 04.

ASSISTANT: Do you have any preferences?

USER: I prefer to travel in connecting flight.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: I have found an economy class ticket with a price of 300 and 1 connection.

USER: You can proceed.

ASSISTANT: Can I know your name for booking?

USER: Donna Thomas here.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.