You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I would like to book a ticket from DCA to IAD, can you help me?

ASSISTANT: May I know your trip dates?

USER: My travel dates are 03/28 and 03/30. I want to book a ticket in the name of Melissa Hernandez.

ASSISTANT: Do you have any other requirements?

USER: No thanks.

ASSISTANT: I found a flight for you with flight number 1004 and airline is Jet blue. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your booking is confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.