You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Nicole Garcia here. Please book me a ticket from 12/01 to 12/03.

ASSISTANT: Sure, can you please help me with the airport codes?

USER: My airport codes are DCA to BOS.

ASSISTANT: Let me check for the availability of flight.

USER: Ok.

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

USER: Please proceed further.

ASSISTANT: Your booking is confirmed with 1012 flight number.

USER: Thank you for your help.

ASSISTANT: You are welcome.