You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Jennifer Lee, can you help me to book a flight from JFK?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My travelling dates are 04/10 and 04/12.

ASSISTANT: Ok, may I know your destination code to proceed further?

USER: I would like to visit Detroit DTW.

ASSISTANT: Ok, there is a flight 1009 in UA airline matching your details with price 100. Shall I proceed?

USER: Proceed with booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help.

ASSISTANT: You are welcome.