You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Cynthia Smith. Can you please help me in booking a flight ticket from NY-EWR to DC-DCA?

ASSISTANT: Sure, can you please share your travel dates?

USER: My travelling dates are from July 01 to July 03.

ASSISTANT: Do you have any class preference?

USER: I prefer to travel in economy class.

ASSISTANT: Cynthia Smith, there is a flight available with price 200 and the connection is 1 with Delta airline. Would you like me to proceed with the booking?

USER: Sure, you can proceed for booking.

ASSISTANT: Your booking is confirmed with 1002 flight number.

USER: Thanks for your assistance.

ASSISTANT: You are welcome. Thank you for reaching us.