You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Dennis Garcia, I want to book a flight from DCA to JFK.

ASSISTANT: Sure Garcia, may I know your travelling dates?

USER: My departure date is 08/31 and my return date is 09/02.

ASSISTANT: Ok, wait for a moment. I found UA airline and flight number 1001 with 1 connection. Can I proceed for booking?

USER: Ok, book a flight for me.

ASSISTANT: Your flight is booked.

USER: Thank you for booking.

ASSISTANT: Thank you for contacting us.