You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Mark Johnson, I need to book a flight ticket to DCA from JFK to meet my friend. Can you please help me to book a flight ticket?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Thank you, my travelling dates are 05/07 and 05/09.

ASSISTANT: There is a flight with connection 1 and price 200, can I proceed?

USER: Yes, do proceed with the booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1002.

USER: Thank you for booking my flight ticket with the flight 1002.

ASSISTANT: Thank you for choosing us.